gcc/ChangeLog

   1 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
   2
   3         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
   4         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
   5         (atomic_sub_fetchsi): ... this new pattern.
   6         (mvtc): Add CC_REG clobber.
   7
   8 2016-05-31  Marek Polacek  <polacek@redhat.com>
   9
  10         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
  11
  12 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  13
  14         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
  15         aarch64_fusion_enabled_p to check for fusion capabilities.
  16
  17 2016-05-31  Richard Biener  <rguenther@suse.de>
  18
  19         PR tree-optimization/71352
  20         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
  21         minus one and a negate.
  22
  23 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  24
  25         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
  26         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
  27         Delete prototype.
  28         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
  29         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
  30         Remove use of aarch64_simd_attr_length_move, set length attribute
  31         directly.
  32         (*aarch64_be_movoi): Likewise.
  33         (*aarch64_be_movci): Likewise.
  34         (*aarch64_be_movxi): Likewise.
  35
  36 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
  37
  38         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
  39         It no longer does that.
  40         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
  41
  42 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
  43
  44         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
  45         attribute __unused__.
  46
  47 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
  48
  49         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
  50         * config/arm/arm.c (arm_arch_thumb1): Define.
  51         (arm_option_override): Initialize arm_arch_thumb1.
  52         * config/arm/arm.h (arm_arch_thumb1): Declare.
  53         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
  54         support Thumb-1 ISA.
  55
  56 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
  57
  58         PR target/71346
  59         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
  60         `Yv' for scalar operand.
  61
  62 2016-05-31  Tom de Vries  <tom@codesourcery.com>
  63
  64         PR tree-optimization/69068
  65         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
  66         phis with more than two args.
  67
  68 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
  69
  70         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
  71         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
  72         target.
  73
  74 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
  75
  76         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
  77         tune_64.
  78         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
  79         support on SPARC.
  80         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
  81         cpu_32, cpu_64, tune_32 and tune_64.
  82         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
  83
  84 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
  85
  86         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
  87
  88 2016-05-30  Andi Kleen  <ak@linux.intel.com>
  89
  90         * auto-profile.c (read_profile): Replace asserts with errors
  91         when file does not exist.
  92         * gcov-io.c (gcov_read_words): Dito.
  93
  94 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
  95
  96         * tree-cfg.c (print_loop): Print likely upper bounds.
  97
  98 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
  99
 100         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
 101         * opts.c (default_options): Enable peel loops at -O3.
 102         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
 103         (try_peel_loop): Do not re-peel already peeled loops;
 104         use likely upper bounds; fix profile updating.
 105         (pass_complete_unroll::execute): Initialize peeled_loops.
 106
 107 2016-05-30  Martin Liska  <mliska@suse.cz>
 108
 109         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
 110         computed costs by frequency of BB they belong to.
 111         (get_scaled_computation_cost_at): New function.
 112
 113 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
 114             Marc Glisse  <marc.glisse@inria.fr>
 115
 116         PR tree-optimization/71289
 117         * match.pd (-1 / B < A, A > -1 / B): New transformations.
 118
 119 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 120
 121         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
 122
 123 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 124
 125         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
 126         for peeled copies; avoid underflow when updating estimates; correctly
 127         scale loop profile.
 128
 129 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
 130
 131         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
 132         r236875. Corrected oe3 to oe2 as obvious.
 133
 134 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
 135
 136         PR middle-end/71269
 137         PR middle-end/71252
 138         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
 139         that inserted stmt will not dominate stmts that defines its operand.
 140         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
 141         (rewrite_expr_tree_parallel): Likewise.
 142
 143 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
 144
 145         PR middle-end/71252
 146         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
 147         all fields including stmt_to_insert are swapped.
 148
 149 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 150
 151         * predict.h (force_edge_cold): Declare.
 152         * predict.c (force_edge_cold): New function.
 153         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
 154         updating.
 155         (canonicalize_loop_induction_variables): Fix formating.
 156
 157 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
 158
 159         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
 160         (visium_expand_copysign): Use gen_int_mode directly.
 161         (visium_compute_frame_size): Minor tweaks.
 162
 163 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 164
 165         * tree-vect-loop.c (vect_analyze_loop_2): Use
 166         likely_max_stmt_executions_int.
 167
 168 2016-05-30  Tom de Vries  <tom@codesourcery.com>
 169
 170         PR tree-optimization/69067
 171         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
 172
 173 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
 174
 175         PR target/71245
 176         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
 177         New peepholes to remove unneeded fild/fistp pairs.
 178         (define_peephole2 atomic_loaddi_fpu): Ditto.
 179
 180 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 181
 182         * predict.c (maybe_hot_frequency_p): Avoid division.
 183
 184 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
 185
 186         * doc/install.texi: Use https for shop.fsf.org.
 187
 188 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 189
 190         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
 191         likely_max_stmt_executions_int.
 192
 193 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 194
 195         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
 196         likely_max_stmt_executions_int.
 197
 198 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 199
 200         * profile.c (compute_branch_probabilities): Do not report hitrates
 201         here.
 202         (branch_prob): Report hitrates here.
 203         * predict.c (gimple_predict_edge): Do not assert profile status;
 204         fix formatting issues.
 205
 206 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 207
 208         * predict.c (edge_predicted_by_p): New function.
 209         (predict_paths_for_bb): Do not put multiple predictions of the same type
 210         on one edge.
 211
 212 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 213
 214         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
 215         commit.
 216
 217 2016-05-28  Alan Modra  <amodra@gmail.com>
 218
 219         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
 220
 221 2016-05-28  Alan Modra  <amodra@gmail.com>
 222
 223         PR rtl-optimization/71275
 224         * ira.c (ira): Free dominance info.
 225
 226 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
 227
 228         * doc/sourcebuild.texi: New address for upstream Go repository.
 229
 230 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 231
 232         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
 233         (TARGET_ARM_V7M): Likewise.
 234
 235 2016-05-26  Jeff Law  <law@redhat.com>
 236
 237         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
 238         (thread_across_edge): Remove calls to find_jump_threads_backwards.
 239         * passes.def: Add jump threading passes before DOM/VRP.
 240         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
 241         argument to a basic block from an edge.  Remove tests which are
 242         handled elsewhere.
 243         (pass_data_thread_jumps, class pass_thread_jumps): New.
 244         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
 245         (make_pass_thread_jumps): Likewise.
 246         * tree-pass.h (make_pass_thread_jumps): Declare.
 247
 248 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 249
 250         * config/visium/visium-protos.h (split_double_move): Rename into...
 251         (visium_split_double_move): ...this.
 252         (visium_split_double_add): Declare.
 253         * config/visium/visium.c (split_double_move): Rename into...
 254         (visium_split_double_move): ...this.
 255         (visium_split_double_add): New function.
 256         (visium_expand_copysign): Renumber operands for consistency.
 257         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
 258         (DFmode move splitter): Likewise.
 259         (*addi3_insn): Split by means of visium_split_double_add.
 260         (*adddi3_insn_flags): Delete.
 261         (*plus_plus_sltu<subst_arith>): New insn.
 262         (*subdi3_insn): Split by means of visium_split_double_add.
 263         (subdi3_insn_flags): Delete.
 264         (*minus_minus_sltu<subst_arith>): New insn.
 265         (*negdi2_insn): Split by means of visium_split_double_add.
 266         (*negdi2_insn_flags): Delete.
 267
 268 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
 269
 270         * configure.ac: Treat a --with-headers option without argument
 271         the same as the default (i.e. consult sys-include directory).
 272         * configure: Regenerate.
 273
 274 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 275
 276         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
 277         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
 278         prototype.
 279         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
 280         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
 281
 282 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
 283
 284         PR target/63596
 285         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
 286         tree-stdarg analysis results.
 287         (aarch64_setup_incoming_varargs): Likewise.
 288
 289 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
 290
 291         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
 292         va_list_gpr_counter_field and va_list_fpr_counter_field.
 293
 294 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
 295
 296         PR67609
 297         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
 298         * config/aarch64/aarch64.c
 299         (aarch64_cannot_change_mode_class): Remove function.
 300         * config/aarch64/aarch64-protos.h
 301         (aarch64_cannot_change_mode_class): Remove.
 302
 303 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 304
 305         * cfgloop.c (record_niter_bound): Record likely upper bounds.
 306         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
 307         get_likely_max_loop_iterations_int): New.
 308         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
 309         any_likely_upper_bound.
 310         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
 311         Declare.
 312         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
 313         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
 314         upper bound.
 315         (unroll_loop_constant_iterations): Likewise.
 316         (unroll_loop_runtime_iterations): Likewise.
 317         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
 318         * lto-streamer-out.c (output_cfg): Likewise.
 319         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
 320         bounds.
 321         (canonicalize_loop_induction_variables): Dump likely upper bounds.
 322         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
 323         (likely_max_loop_iterations): New.
 324         (likely_max_loop_iterations_int): New.
 325         (likely_max_stmt_executions): New.
 326         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
 327         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
 328         likely_max_stmt_executions): Declare.
 329
 330 2016-05-27  Marek Polacek  <polacek@redhat.com>
 331
 332         PR middle-end/71308
 333         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
 334
 335 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 336
 337         * config/s390/s390.md (2x risbg splitters): Use
 338         reg_overlap_mentioned_p instead of rtx_equal_p.
 339
 340 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 341
 342         * combine.c (make_compound_operation): Take known zero bits into
 343         account when checking for possible zero_extend.
 344
 345 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 346
 347         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
 348         Use const_int_operand for operand 2 predicate.  Simplify expand code
 349         as a result.
 350
 351 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
 352
 353         PR middle-end/71279
 354         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
 355         into comparison.
 356
 357 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 358
 359         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
 360         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
 361         that returns CC_SESWPmode and CC_ZESWPmode.
 362         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
 363         and CC_SESWPmode.
 364         (aarch64_rtx_costs): Likewise.
 365
 366 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
 367
 368         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
 369         for ISA 3.0 min/max support.
 370         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
 371         conditional move support.
 372         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
 373         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
 374         available.
 375         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
 376         conditional moves where the comparison type is different from move
 377         type.
 378         (fp_minmax): New code iterator for smin/smax.
 379         (minmax): New code attributes for min/max.
 380         (SMINMAX): Likewise.
 381         (smax<mode>3): Combine min, max insns into one insn using the
 382         fp_minmax code iterator.  Add support for ISA 3.0 min/max
 383         instructions that don't need -ffast-math.
 384         (s<minmax><mode>3): Likewise.
 385         (smax<mode>3_vsx): Likewise.
 386         (smin<mode>3): Likewise.
 387         (s<minmax><mode>3_vsx): Likewise.
 388         (smin<mode>3_vsx): Likewise.
 389         (pre-VSX min/max splitters): Likewise.
 390         (s<minmax><mode>3_fpr): Likewise.
 391         (movsfcc): Rewrite floating point conditional moves to combine
 392         SFmode/DFmode into a single insn.
 393         (mov<mode>cc): Likewise.
 394         (movdfcc): Likewise.
 395         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
 396         SFDF2 iterators to handle all combinations.
 397         (fseldfsf4): Likewise.
 398         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
 399         (fseldfdf4): Likewise.
 400         (fselsfdf4): Likewise.
 401         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
 402         comparison instructions that set a 0/-1 mask, and use it for
 403         floating point conditional move via XXSEL.
 404         (fpmask<mode>): Likewise.
 405         (xxsel<mode>): Likewise.
 406         * config/rs6000/predicates.md (min_max_operator): Delete, no
 407         longer used.
 408         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
 409         instructions that generate a 0/-1 mask for use with XXSEL.
 410         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
 411         say whether floating point min/max is available, either through
 412         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
 413         (TARGET_MINMAX_DF): Likewise.
 414
 415 2016-05-27  Alan Modra  <amodra@gmail.com>
 416
 417         PR rtl-optimization/71275
 418         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
 419         for update_equiv_regs and combine_and_move_insns.
 420
 421 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
 422
 423         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
 424         if_then_else or cond RTXes to calculate attribute value.
 425         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
 426         <attr "length_immediate>: Ditto.
 427         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
 428         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
 429         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
 430         <attr "type">: Ditto.
 431         <attr "prefix_data16">: Ditto.
 432         <attr "prefix_extra">: Ditto.
 433         <attr "length_immediate">: Ditto.
 434         <attr "prefix">: Ditto.
 435         (vec_set<mode>_0) <attr "isa">: Ditto.
 436         <attr "prefix_extra">: Ditto.
 437         <attr "length_immediate">: Ditto.
 438         <attr "prefix">: Ditto.
 439         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
 440         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
 441         (sse2_storelpd) <attr "prefix_data16">: Ditto.
 442         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
 443         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
 444         <attr "length_immediate">: Ditto.
 445         <attr "prefix">: Ditto.
 446         (sse2_movsd) <attr "length_immediate">: Ditto.
 447         <attr "prefix">: Ditto.
 448         (vec_concatv2df)  <attr "isa">: Ditto.
 449         <attr "prefix">: Ditto.
 450         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
 451         (*vec_extractv2di_1) <attr "isa">: Ditto.
 452         <attr "type">: Ditto.
 453         <attr "length_immediate">: Ditto.
 454         <attr "prefix_rex">: Ditto.
 455         <attr "prefix_extra">: Ditto.
 456         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
 457         <attr "prefix_extra">: Ditto.
 458         <attr "length_immediate">: Ditto.
 459         (vec_concatv2di) <attr "isa">: Ditto.
 460         <attr "prefix_extra">: Ditto.
 461         <attr "length_immediate">: Ditto.
 462         <attr "prefix">: Ditto.
 463
 464 2016-05-26  Martin Liska  <mliska@suse.cz>
 465
 466         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
 467         function.
 468         (operator+): Likewise.
 469         (operator-): Likewise.
 470         (comp_cost::operator+=): Likewise.
 471         (comp_cost::operator-=): Likewise.
 472         (comp_cost::operator/=): Likewise.
 473         (comp_cost::operator*=): Likewise.
 474         (operator<): Likewise.
 475         (operator==): Likewise.
 476         (operator<=): Likewise.
 477         (new_cost): Remove.
 478         (infinite_cost_p): Likewise.
 479         (add_costs): Likewise.
 480         (sub_costs): Likewise.
 481         (compare_costs): Likewise.
 482         (set_group_iv_cost): Use the newly introduced functions.
 483         (get_address_cost): Likewise.
 484         (get_shiftadd_cost): Likewise.
 485         (force_expr_to_var_cost): Likewise.
 486         (split_address_cost): Likewise.
 487         (ptr_difference_cost): Likewise.
 488         (difference_cost): Likewise.
 489         (get_computation_cost_at): Likewise.
 490         (determine_group_iv_cost_generic): Likewise.
 491         (determine_group_iv_cost_address): Likewise.
 492         (determine_group_iv_cost_cond): Likewise.
 493         (autoinc_possible_for_pair): Likewise.
 494         (determine_group_iv_costs): Likewise.
 495         (cheaper_cost_pair): Likewise.
 496         (iv_ca_recount_cost): Likewise.
 497         (iv_ca_set_no_cp): Likewise.
 498         (iv_ca_set_cp): Likewise.
 499         (iv_ca_cost): Likewise.
 500         (iv_ca_new): Likewise.
 501         (iv_ca_dump): Likewise.
 502         (iv_ca_narrow): Likewise.
 503         (iv_ca_prune): Likewise.
 504         (iv_ca_replace): Likewise.
 505         (try_add_cand_for): Likewise.
 506         (try_improve_iv_set): Likewise.
 507         (find_optimal_iv_set): Likewise.
 508
 509 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
 510
 511         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
 512         that internal functions will clobber all caller-saved registers.
 513
 514 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
 515
 516         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
 517         Return a better case_values_threshold when optimizing.
 518
 519 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
 520
 521         * config/aarch64/aarch64-simd.md (aarch64_combinez):
 522         Add ? to integer variant.
 523         (aarch64_combinez_be): Likewise.
 524
 525 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
 526
 527         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
 528         instead of x constraint.
 529         (vcvtps2ph256<mask_name>): Likewise.
 530
 531         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
 532         alternative.  Formatting fix.
 533
 534         * config/i386/sse.md
 535         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
 536         to ...
 537         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
 538         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
 539         maybe_evex prefix instead of vex.
 540         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
 541         EXT_REX_SSE_REG_P (op0) case in the splitter.
 542
 543 2016-05-25  Jeff Law  <law@redhat.com>
 544
 545         PR tree-optimization/71272
 546         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
 547         Update comments.  Add test for empty path.
 548
 549 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
 550
 551         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
 552         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
 553         special case builtin.
 554         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
 555         code for ALTIVEC_BUILTIN_VEC_CMPNE.
 556         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
 557         for __builtin_vec_cmpne.
 558
 559 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
 560
 561         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
 562         redundant test and bail out if the type of the new operand is not
 563         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
 564
 565 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
 566
 567         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
 568         (x_ix86_target_flags_explicit): Remove.
 569         * config/i386/i386.c (ix86_function_specific_save): Do not copy
 570         x_ix86_target_flags_explicit.
 571         (ix86_function_specific_restore): Ditto.
 572
 573 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
 574             H.J. Lu  <hongjiu.lu@intel.com>
 575
 576         PR target/70738
 577         * common/config/i386/i386-common.c
 578         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
 579         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
 580         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
 581         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
 582         (-mgeneral-regs-only): Add new option.
 583         * config/i386/i386.c (ix86_option_override_internal): Don't enable
 584         x87 instructions if only general registers are allowed.
 585         (ix86_target_string): Add ix86_flags argument. Handle additional
 586         flags options through ix86_flags argument.  Update all callers.
 587         * doc/invoke.texi: Document -mgeneral-regs-only.
 588
 589 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 590
 591         PR rtl-optimization/66940
 592         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
 593         decrementing desired_val will not overflow before performing these
 594         operations.
 595
 596 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
 597
 598         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
 599         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
 600         * config/i386/i386.c (enum ix86_builtins): Add
 601         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
 602         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
 603         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
 604         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
 605         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
 606         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
 607         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
 608         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
 609         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
 610         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
 611         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
 612         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
 613         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
 614         __builtin_ia32_cvtps2dq512_mask.
 615         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
 616         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
 617         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
 618         * config/i386/sse.md
 619         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
 620         Rename to ...
 621         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
 622         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
 623         to ...
 624         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
 625         (avx512f_vec_pack_sfix_v8df): New define_expand.
 626         (avx512f_roundpd512): Rename to ...
 627         (avx512f_round<castmode>512): ... this.  Change iterator.
 628         (avx512f_roundps512_sfix): New define_expand.
 629         (round<mode>2_sfix): Change iterator.
 630
 631 2016-05-25  Nick Clifton  <nickc@redhat.com>
 632
 633         * config/msp430/msp430.c (msp430_attr): Produce an error if a
 634         static interrupt handler is detected.
 635         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
 636         default linker script.
 637         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
 638         the low part of a symbolic pointer.
 639
 640 2016-05-25  Richard Biener  <rguenther@suse.de>
 641
 642         PR tree-optimization/71261
 643         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
 644         interesting stmt instead of immediate uses when looking
 645         for the use operand to replace.
 646
 647 2016-05-25  Martin Liska  <mliska@suse.cz>
 648
 649         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
 650
 651 2016-05-25  Richard Biener  <rguenther@suse.de>
 652
 653         PR tree-optimization/71264
 654         * tree-vect-stmts.c (vect_init_vector): Properly deal with
 655         vector type val.
 656
 657 2016-05-25  Martin Liska  <mliska@suse.cz>
 658
 659         PR tree-optimization/71239
 660         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
 661         if DECL_SIZE is NULL.
 662
 663 2016-05-25  Richard Biener  <rguenther@suse.de>
 664
 665         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
 666         * tree-if-conv.c (pass_data_if_conversion): Use it.
 667
 668 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 669
 670         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
 671         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
 672         * varpool.c (varpool_node::get_availability): Likewise.
 673
 674 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
 675
 676         * config/rs6000/altivec.md (VNEG iterator): New iterator for
 677         VNEGW/VNEGD instructions.
 678         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
 679         (neg<mode>2): Add expander for V2DImode added in ISA 2.06, and
 680         support for ISA 3.0 VNEGW/VNEGD instructions.
 681
 682 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
 683
 684         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
 685         pointers inside OACC_DATA regions.
 686         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
 687         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
 688         (gimplify_adjust_omp_clauses): Fix typo in comment.
 689
 690 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
 691
 692         * config/rs6000/altivec.md (VParity): New mode iterator for vector
 693         parity built-in functions.
 694         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
 695         zeros.
 696         (p9v_parity<mode>2): Likewise.
 697         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
 698         parity.
 699         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
 700         (parity<mode>2): ISA 3.0 expander for vector parity.
 701         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
 702         power9 built-ins.
 703         (BU_P9_64BIT_MISC_0): Likewise.
 704         (BU_P9_MISC_0): Likewise.
 705         (BU_P9V_AV_1): Likewise.
 706         (BU_P9V_AV_2): Likewise.
 707         (BU_P9V_AV_3): Likewise.
 708         (BU_P9V_AV_P): Likewise.
 709         (BU_P9V_VSX_1): Likewise.
 710         (BU_P9V_OVERLOAD_1): Likewise.
 711         (BU_P9V_OVERLOAD_2): Likewise.
 712         (BU_P9V_OVERLOAD_3): Likewise.
 713         (VCTZB): Add vector count trailing zeros support.
 714         (VCTZH): Likewise.
 715         (VCTZW): Likewise.
 716         (VCTZD): Likewise.
 717         (VPRTYBD): Add vector parity support.
 718         (VPRTYBQ): Likewise.
 719         (VPRTYBW): Likewise.
 720         (VCTZ): Add overloaded vector count trailing zeros support.
 721         (VPRTYB): Add overloaded vector parity support.
 722         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 723         overloaded vector count trailing zeros and parity instructions.
 724         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
 725         vector parity support.
 726         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
 727         trailing zeros support.
 728         (vec_cntlz): Likewise.
 729         (vec_vctzb): Likewise.
 730         (vec_vctzd): Likewise.
 731         (vec_vctzh): Likewise.
 732         (vec_vctzw): Likewise.
 733         (vec_vprtyb): Add ISA 3.0 vector parity support.
 734         (vec_vprtybd): Likewise.
 735         (vec_vprtybw): Likewise.
 736         (vec_vprtybq): Likewise.
 737         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
 738         the ISA 3.0 vector count trailing zeros and vector parity built-in
 739         functions.
 740
 741 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 742
 743         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
 744         when there is stmt_to_insert.
 745
 746 2016-05-24  Martin Sebor  <msebor@redhat.com>
 747
 748         PR c++/71147
 749         * tree.h (complete_or_array_type_p): New inline function.
 750
 751 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
 752
 753         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
 754         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
 755         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
 756
 757         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
 758         Limit 1st alternative to noavx isa, split 2nd alternative into one
 759         noavx and one avx alternative, use *x and Bm in the former and
 760         x and m in the latter.
 761
 762         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
 763         of sse4 for the first alternative, drop %v from the template
 764         and d operand modifier.  Split second alternative into one sse4_noavx
 765         and one avx alternative, use *x instead of *v in the former and v
 766         instead of *v in the latter.
 767         (*sse4_1_extractps): Use noavx isa instead of * for the first
 768         alternative, drop %v from the template.  Split second alternative into
 769         one noavx and one avx alternative, use *x instead of *v in the
 770         former and v instead of *v in the latter.
 771         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
 772         with noavx and the last one with avx.
 773         (sse4_1_phminposuw): Guard first alternative with noavx isa,
 774         split the second one into one noavx and one avx alternative,
 775         use *x and Bm in the former and x and m in the latter one.
 776         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
 777         alternatives.
 778
 779         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
 780         first two alternatives to noavx, use *x instead of *v in the second
 781         one, add avx alternative without *.
 782         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
 783         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
 784         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
 785
 786 2016-05-24  Jeff Law  <law@redhat.com>
 787
 788         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
 789         New function, extracted from...
 790         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
 791         Allow simple copies and constant initializations in the SSA chain.
 792
 793 2016-05-24  Marek Polacek  <polacek@redhat.com>
 794
 795         PR c/71249
 796         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
 797         scope.
 798
 799 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
 800
 801         PR c++/71257
 802         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
 803         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
 804         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
 805         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
 806         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
 807
 808 2016-05-24  Richard Biener  <rguenther@suse.de>
 809
 810         PR tree-optimization/71240
 811         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
 812         has integral type.
 813
 814 2016-05-24  Richard Biener  <rguenther@suse.de>
 815
 816         PR tree-optimization/71230
 817         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
 818
 819 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 820
 821         * tree-vectorizer.h (vectorizable_comparison): Delete.
 822         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
 823         PURE_SLP_STMT check.
 824         * tree-vect-stmts.c (vectorizable_call): Likewise.
 825         (vectorizable_simd_clone_call): Likewise.
 826         (vectorizable_conversion): Likewise.
 827         (vectorizable_assignment): Likewise.
 828         (vectorizable_shift): Likewise.
 829         (vectorizable_operation): Likewise.
 830         (vectorizable_load): Likewise.
 831         (vectorizable_condition): Likewise.
 832         (vectorizable_store): Likewise.  Assert that we don't have
 833         hybrid SLP.
 834         (vectorizable_comparison): Make static.  Remove redundant
 835         PURE_SLP_STMT check.
 836         (vect_transform_stmt): Assert that we always have an slp_node
 837         if PURE_SLP_STMT.
 838
 839 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 840
 841         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
 842         operands[2] against 1 with comparison against CONST1_RTX.
 843         (<shift>di3_neon): Likewise.
 844         * config/arm/predicates.md (const0_operand): Replace with comparison
 845         against CONST0_RTX.
 846
 847 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 848
 849         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
 850         operands[2] against 1 with comparison against CONST1_RTX.
 851         (ashrdi3): Likewise.
 852         (lshrdi3): Likewise.
 853         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
 854         UINTVAL.
 855         (ashrsi3): Likewise.
 856         (lshrsi3): Likewise.
 857         (rotrsi3): Likewise.
 858         (define_split above *compareqi_eq0): Likewise.
 859         (define_split above "prologue"): Likewise.
 860         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
 861         * config/arm/predicates.md (shift_operator): Likewise.
 862         (shift_nomul_operator): Likewise.
 863         (sat_shift_operator): Likewise.
 864         (thumb1_cmp_operand): Likewise.
 865         (const_neon_scalar_shift_amount_operand): Replace manual range
 866         check with IN_RANGE.
 867         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
 868         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
 869
 870 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 871
 872         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
 873         with HOST_WIDE_INT_1.
 874         (insv): Likewise.
 875         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
 876         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
 877         (arm_canonicalize_comparison): Likewise.
 878         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
 879         HOST_WIDE_INT_1.
 880         (thumb1_size_rtx_costs): Likewise.
 881         (vfp_const_double_index): Replace cast of 1 to unsigned
 882         HOST_WIDE_INT with HOST_WIDE_INT_1U.
 883         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
 884         HOST_WIDE_INT_1.
 885         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
 886         HOST_WIDE_INT with HOST_WIDE_INT_1U.
 887         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
 888         HOST_WIDE_INT with HOST_WIDE_INT_1.
 889
 890 2016-05-24  Marek Polacek  <polacek@redhat.com>
 891
 892         * tree-cfg.h (should_remove_lhs_p): New predicate.
 893         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
 894         * gimplify.c (gimplify_modify_expr): Likewise.
 895         * tree-cfg.c (verify_gimple_call): Likewise.
 896         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
 897         * gimple-fold.c: Include "tree-cfg.h".
 898         (gimple_fold_call): Use should_remove_lhs_p.
 899
 900 2016-05-24  Richard Biener  <rguenther@suse.de>
 901
 902         PR tree-optimization/71253
 903         * cfganal.h (control_dependences): Make robust against edge
 904         and BB removal.
 905         (control_dependences::control_dependences): Remove edge_list argument.
 906         (control_dependences::get_edge): Remove.
 907         (control_dependences::get_edge_src): Add.
 908         (control_dependences::get_edge_dest): Likewise.
 909         (control_dependences::m_el): Make a vector of edge src/dest index.
 910         * cfganal.c (control_dependences::find_control_dependence): Adjust.
 911         (control_dependences::control_dependences): Likewise.
 912         (control_dependences::~control_dependence): Likewise.
 913         (control_dependences::get_edge): Remove.
 914         (control_dependences::get_edge_src): Add.
 915         (control_dependences::get_edge_dest): Likewise.
 916         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
 917         get_edge_src.
 918         (perform_tree_ssa_dce): Adjust.
 919         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
 920         get_edge_src.
 921         (pass_loop_distribution::execute): Adjust.  Do loop destroying
 922         conditional on changed.
 923
 924 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 925
 926         PR target/69857
 927         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
 928         return.  Reindent transformation comment and mention the ARM state
 929         behavior.
 930
 931 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 932
 933         PR middle-end/71252
 934         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
 935         after build_and_add_sum creates new use stmt.
 936
 937 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 938
 939         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
 940         load_lanes/grouped_load classification comes first.  Don't check
 941         whether the vectorization factor is a multiple of the group size
 942         for load_lanes.
 943
 944 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 945
 946         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
 947         GROUP_GAP for single-element interleaving.
 948         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
 949         variable.
 950
 951 2016-05-24  Richard Biener  <rguenther@suse.de>
 952
 953         PR middle-end/70434
 954         PR c/69504
 955         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
 956         bases which are accessed with non-invariant indices.
 957         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
 958         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
 959
 960 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 961
 962         PR middle-end/71170
 963         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
 964         (add_to_ops_vec): Add stmt_to_insert.
 965         (add_repeat_to_ops_vec): Init stmt_to_insert.
 966         (insert_stmt_before_use): New.
 967         (transform_add_to_multiply): Remove mult_stmt insertion and add it
 968         to ops vector.
 969         (get_ops): Init stmt_to_insert.
 970         (maybe_optimize_range_tests): Likewise.
 971         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
 972         (rewrite_expr_tree_parallel): Likewise.
 973         (reassociate_bb): Likewise.
 974
 975 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
 976
 977         PR target/71201
 978         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
 979         ISA 3.0 xxperm fusion alternative.
 980         (altivec_vperm_v8hiv16qi): Likewise.
 981         (altivec_vperm_<mode>_uns_internal): Likewise.
 982         (vperm_v8hiv4si): Likewise.
 983         (vperm_v16qiv8hi): Likewise.
 984
 985 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
 986             Kelvin Nilsen  <kelvin@gcc.gnu.org>
 987
 988         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
 989         vpermr/xxpermr on ISA 3.0.
 990         (altivec_expand_vec_perm_le): Likewise.
 991         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
 992         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
 993         ISA 3.0.
 994
 995 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
 996
 997         * config/i386/i386.h (IS_STACK_MODE): Enable for
 998         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
 999         SSE_FLOAT_MODE_P macros.
1000         * config/i386/i386.c (ix86_preferred_reload_class): Use
1001         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
1002         Cleanup regclass processing for CONST_DOUBLE_P.
1003         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
1004         (ix86_rtx_costs): Remove redundant TARGET_80387 check
1005         with IS_STACK_MODE macro.
1006         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
1007         with TARGET_SSE2.
1008         (*movdf_internal): Use IS_STACK_MODE macro.
1009         (*movsf_internal): Ditto.
1010
1011 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
1012
1013         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
1014         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
1015
1016 2016-05-23  Jeff Law  <law@redhat.com>
1017
1018         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
1019         extracted from ...
1020         (fsm_find_control_statement_thread_paths): Call it.
1021
1022 2016-05-23  Martin Jambor  <mjambor@suse.cz>
1023
1024         PR ipa/71234
1025         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
1026         from_global_constant if t is not NULL.
1027
1028 2016-05-23  Marek Polacek  <polacek@redhat.com>
1029
1030         PR c/49859
1031         * common.opt (Wswitch-unreachable): New option.
1032         * doc/invoke.texi: Document -Wswitch-unreachable.
1033         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
1034         warning.
1035
1036 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
1037
1038         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
1039         TMR_INDEX is non-NULL.
1040
1041 2016-05-23  Richard Biener  <rguenther@suse.de>
1042
1043         PR tree-optimization/71230
1044         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
1045         (try_special_add_to_ops): ... here.  Always test for single-use.
1046
1047 2016-05-23  Martin Jambor  <mjambor@suse.cz>
1048
1049         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
1050         default block if a PHI node in the original one would be resized.
1051
1052 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1053
1054         PR tree-optimization/58135
1055         * tree-vect-slp.c: When group size is not multiple
1056         of vector size, allow splitting of store group at
1057         vector boundary.
1058
1059 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
1060
1061         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
1062
1063 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
1064
1065         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
1066         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
1067         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
1068         of 64x2.
1069
1070         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
1071         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
1072         v constraint instead of x and vinserti32x4 insn.
1073
1074         * config/i386/sse.md (i128vldq): New mode iterator.
1075         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
1076         avx512dq and avx512vl alternatives.
1077
1078         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
1079         constraint, use maybe_evex prefix instead of vex.
1080         (vec_dupv4sf): Use v constraint instead of x for output
1081         operand except for noavx alternative, use Yv constraint
1082         instead of x for input.  Use maybe_evex prefix instead of vex.
1083         (*vec_dupv4si): Likewise.
1084         (*vec_dupv2di): Likewise.
1085
1086 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
1087
1088         PR middle-end/40921
1089         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
1090         (linearize_expr_tree): Call try_special_add_to_ops.
1091         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
1092
1093 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
1094
1095         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
1096         to computed stack_usage.
1097
1098 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
1099
1100         PR target/71103
1101         * config/avr/avr.md (define_expand "mov<mode>"): If the source
1102         operand is subreg (symbol_ref) then move the symbol ref to register.
1103
1104 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
1105
1106         * tree.c (array_at_struct_end_p): Look through MEM_REF.
1107
1108 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
1109
1110         PR middle-end/71179
1111         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
1112         VECTOR type.
1113
1114 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
1115
1116         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
1117         ranges by calling get_single_symbol and tidy up.  Look more closely
1118         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
1119
1120 2016-05-20  Jeff Law  <law@redhat.com>
1121
1122         * bitmap.c (bitmap_find_bit): Remove useless test.
1123
1124 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
1125
1126         * function.c (thread_prologue_and_epilogue_insns): Commit the
1127         insertion of the epilogue.
1128
1129 2016-05-20  Martin Jambor  <mjambor@suse.cz>
1130
1131         PR tree-optimization/70884
1132         * tree-sra.c (initialize_constant_pool_replacements): Do not check
1133         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
1134         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
1135         of constant pool data as a reason for scalarization.
1136
1137 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
1138
1139         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
1140         for naked functions.
1141         (thumb1_expand_prologue): Likewise.
1142
1143 2016-05-20  Nathan Sidwell  <nathan@acm.org>
1144
1145         * config/nvptx/nptx.c (nvptx_option_override): Only set
1146         flag_toplevel_reorder, if not explicitly specified.  Set
1147         flag_no_common, unless explicitly specified.
1148
1149 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1150
1151         * calls.c (can_implement_as_sibling_call_p): Mark param
1152         reg_parm_stack_space with ATTRIBUTE_UNUSED.
1153
1154 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
1155
1156         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
1157         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
1158         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
1159         constants.
1160         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
1161         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
1162         and CASE_CONST_ANY.
1163
1164 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
1165
1166         * config/nvptx/nvptx.md (sincossf3): New pattern.
1167
1168 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1169
1170         * calls.c (maybe_complain_about_tail_call): New function.
1171         (initialize_argument_information): Call
1172         maybe_complain_about_tail_call when clearing *may_tailcall.
1173         (can_implement_as_sibling_call_p): Call
1174         maybe_complain_about_tail_call when returning false.
1175         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
1176         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
1177         if tail-call optimization fails.
1178         * cfgexpand.c (expand_call_stmt): Initialize
1179         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
1180         * gimple-pretty-print.c (dump_gimple_call): Dump
1181         gimple_call_must_tail_p.
1182         * gimple.c (gimple_build_call_from_tree): Call
1183         gimple_call_set_must_tail with the value of
1184         CALL_EXPR_MUST_TAIL_CALL.
1185         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
1186         (gimple_call_set_must_tail): New function.
1187         (gimple_call_must_tail_p): New function.
1188         * print-tree.c (print_node): Update printing of TREE_STATIC
1189         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
1190         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
1191         trailing comment listing applicable flags.
1192         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
1193
1194 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1195
1196         * calls.c (expand_call): Move "Rest of purposes for tail call
1197         optimizations to fail" to...
1198         (can_implement_as_sibling_call_p): ...this new function, and
1199         split into multiple "if" statements.
1200
1201 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1202
1203         * cfgloop.h (expected_loop_iterations_unbounded,
1204         expected_loop_iterations): Unconstify.
1205         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
1206         profile with known upper bound; return 3 when profile is absent.
1207         (expected_loop_iterations): Update.
1208
1209 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1210
1211         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
1212         and get_max_loop_iterations_int.
1213
1214 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1215
1216         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
1217         realistic upper bounds here.
1218
1219 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
1220
1221         PR c++/71210
1222         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
1223         calls if the LHS is variable length or has addressable type.
1224         If targets[0]->decl is a noreturn call with void return type and
1225         zero arguments, adjust fntype and remove lhs in that case.
1226
1227 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
1228
1229         PR tree-optimization/71079
1230         PR tree-optimization/71206
1231         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
1232
1233 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1234
1235         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
1236         (get_vec_alignment_for_array_decl): Likewise.
1237         (get_vec_alignment_for_record_decl): Likewise.
1238         (increase_alignment::execute): Move code to find alignment to
1239         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
1240         (type_align_map): New hash_map.
1241
1242 2016-05-20  Richard Guenther  <rguenther@suse.de>
1243
1244         PR tree-optimization/29756
1245         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
1246         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
1247         * fold-const.c (operand_equal_p): Likewise.
1248         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
1249         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
1250         * tree-inline.c (estimate_operator_cost): Likewise.
1251         * tree-pretty-print.c (dump_generic_node): Likewise.
1252         * tree-ssa-operands.c (get_expr_operands): Likewise.
1253         * cfgexpand.c (expand_debug_expr): Likewise.
1254         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
1255         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
1256         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
1257         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
1258         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
1259         (execute_update_addresses_taken): Do it.
1260
1261 2016-05-20  Richard Biener  <rguenther@suse.de>
1262
1263         PR tree-optimization/71185
1264         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
1265         register operations.
1266
1267 2016-05-20  Richard Biener  <rguenther@suse.de>
1268
1269         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
1270         gimple_seq_add_seq_without_update.
1271         (release_bb_predicate): Assert we have no operands to free.
1272         (if_convertible_loop_p_1): Calculate post dominators later.
1273         Do not free BB predicates here.
1274         (combine_blocks): Do not recompute BB predicates.
1275         (version_loop_for_if_conversion): Save BB predicates around
1276         loop versioning.
1277
1278 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1279
1280         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
1281         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
1282         code.  Ignore sibcalls on EDGE_IGNORE edges.
1283         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
1284         on edges for sibcalls that run without prologue.  The rest of the
1285         function is combined from...
1286         (fix_fake_fallthrough_edge): ... this, and ...
1287         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
1288         function argument, make it a local variable.
1289
1290 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
1291
1292         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
1293         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
1294         for 32-bit mode and SEH for 64-bit.
1295         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
1296         TARGET_64BIT_DEFAULT.
1297
1298 2016-05-19  Ryan Burn  <contact@rnburn.com>
1299
1300         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
1301         * gengtype.c (open_base_files): Add cilk.h to ifiles.
1302
1303 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
1304
1305         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
1306         force pending loads from memory.
1307
1308 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1309
1310         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
1311         (UNSPEC_DARN_32): New unspec constant.
1312         (UNSPEC_DARN_RAW): New unspec constant.
1313         (darn_32): New instruction.
1314         (darn_raw): New instruction.
1315         (darn): New instruction.
1316         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
1317         support and documentation for this macro.
1318         (BU_P9_MISC_1): New macro definition.
1319         (BU_P9_64BIT_MISC_0): New macro definition.
1320         (BU_P9_MISC_0): New macro definition.
1321         (darn_32): New builtin definition.
1322         (darn_raw): New builtin definition.
1323         (darn): New builtin definition.
1324         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
1325         RS6000_BUILTIN_0 directives to surround each occurrence of
1326         #include "rs6000-builtin.def".
1327         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
1328         RS6000_BTM_64BIT flags to the returned mask, depending on
1329         configuration.
1330         (def_builtin): Correct an error in the assignments made to the
1331         debugging variable attr_string.
1332         (rs6000_expand_builtin): Add support for no-operand built-in
1333         functions.
1334         (builtin_function_type): Remove fatal_error assertion that is no
1335         longer valid.
1336         (rs6000_common_init_builtins): Add support for no-operand built-in
1337         functions.
1338         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
1339         definition.
1340         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
1341         definition.
1342         (RS6000_BTM_64BIT): New macro definition.
1343         * doc/extend.texi: Document __builtin_darn (void),
1344         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
1345         functions.
1346
1347 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
1348
1349         * tree-vect-loop.c (vect_analyze_loop_2): Use also
1350         max_loop_iterations_int.
1351
1352 2016-05-19  Marek Polacek  <polacek@redhat.com>
1353
1354         PR tree-optimization/71031
1355         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
1356         condition and adjust the code a bit.
1357
1358 2016-05-19  Martin Liska  <mliska@suse.cz>
1359
1360         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
1361         auto_vec instead of vec.
1362
1363 2016-05-19  Martin Liska  <mliska@suse.cz>
1364
1365         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
1366
1367 2016-05-19  Martin Liska  <mliska@suse.cz>
1368
1369         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
1370
1371 2016-05-19  Martin Liska  <mliska@suse.cz>
1372
1373         * ipa-pure-const.c (set_function_state): Remove an existing
1374         funct_state.
1375         (remove_node_data): Do not free it as it's released
1376         in set_function_state.
1377
1378 2016-05-19  Martin Liska  <mliska@suse.cz>
1379
1380         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
1381         bitmap.
1382
1383 2016-05-19  Martin Liska  <mliska@suse.cz>
1384
1385         * omp-simd-clone.c (simd_clone_adjust): Release vector.
1386
1387 2016-05-19  Martin Liska  <mliska@suse.cz>
1388
1389         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
1390         an auto_vec instead of re-creating it.
1391
1392 2016-05-19  Martin Liska  <mliska@suse.cz>
1393
1394         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
1395         auto_vec instead of vec.
1396
1397 2016-05-19  Martin Liska  <mliska@suse.cz>
1398
1399         * lto-section-in.c (lto_get_section_data): Call
1400         lto_check_version with additional argument.
1401         * lto-streamer.c (lto_check_version): Add new argument.
1402         * lto-streamer.h (lto_check_version): Likewise.
1403
1404 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1405
1406         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
1407         Don't add cost of inner memory when handling sign-extended loads.
1408
1409 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
1410
1411         PR rtl-optimization/71148
1412         * cse.c (cse_main): Free dominance info.
1413         (rest_of_handle_cse): Don't free dominance info.
1414         (rest_of_handle_cse2): Likewise.
1415         (rest_of_handle_cse_after_global_opts): Likewise.
1416
1417 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1418
1419         PR target/71056
1420         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
1421         NULL_TREE early if NEON is not available.  Remove now redundant check
1422         in ARM_CHECK_BUILTIN_MODE.
1423
1424 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
1425
1426         PR sanitizer/64354
1427         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
1428         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
1429         * doc/cpp.texi: Document new macros.
1430
1431 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
1432
1433         PR tree-optimization/69848
1434         * tree-vect-loop.c (vectorizable_reduction): Don't factor
1435         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
1436
1437 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1438
1439         * function.c (thread_prologue_and_epilogue_insn): Move the
1440         "goto epilogue_done" one block later.
1441
1442 2016-05-19  Richard Biener  <rguenther@suse.de>
1443
1444         PR tree-optimization/70729
1445         * passes.def: Move LIM pass before PRE.  Remove no longer
1446         required copyprop and move first DCE out of the loop pipeline.
1447
1448 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
1449
1450         PR driver/69265
1451         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
1452         (OBJS-libcommon-target): ...here.
1453         * opts-common.c: Include spellcheck.h.
1454         (cmdline_handle_error): Build a vec of valid options and use it
1455         to suggest provide hints for misspelled arguments.
1456
1457 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
1458
1459         PR c++/71100
1460         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
1461         lhs if it has TREE_ADDRESSABLE type.
1462
1463 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
1464
1465         PR target/71145
1466         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
1467         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
1468
1469 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1470
1471         PR ipa/69708
1472         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
1473         input for NOP_EXPR pass-through functions.
1474         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
1475         aggregate global constant VAR_DECLs in constant jump functions.
1476
1477 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1478
1479         PR ipa/69708
1480         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
1481         from TREE_READONLY parameters.
1482
1483 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1484
1485         PR ipa/69708
1486         * cgraph.h (cgraph_indirect_call_info): New field
1487         guaranteed_unmodified.
1488         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
1489         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
1490         appropriate.
1491         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
1492         pass the parameter value to ipa_find_agg_cst_for_param.
1493         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
1494         guaranteed_unmodified, store AA results there instead of bailing out
1495         if present.
1496         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
1497         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
1498         (find_constructor_constant_at_offset): New function.
1499         (ipa_find_agg_cst_from_init): Likewise.
1500         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
1501         static initializers of contants, report back through a new paameter
1502         from_global_constant if that was the case.
1503         (try_make_edge_direct_simple_call): Also pass parameter value to
1504         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
1505         appropriate.
1506         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
1507         (ipa_read_indirect_edge_info): Likewise.
1508         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
1509         (ipa_load_from_parm_agg): Likewise.
1510
1511 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
1512
1513         PR rtl-optimization/71150
1514         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
1515         check.
1516
1517 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1518
1519         PR target/70915
1520         * config/rs6000/constraints.md (wE constraint): New constraint
1521         for a vector constant that can be loaded with XXSPLTIB.
1522         (wM constraint): New constraint for a vector constant of a 1's.
1523         (wS constraint): New constraint for a vector constant that can be
1524         loaded with XXSPLTIB and a vector sign extend instruction.
1525         * config/rs6000/predicates.md (xxspltib_constant_split): New
1526         predicates for wE/wS constraints.
1527         (xxspltib_constant_nosplit): Likewise.
1528         (easy_vector_constant): Add support for constants that can be
1529         loaded via XXSPLTIB.
1530         (all_ones_constant): New predicate for vector constant with all
1531         1's set.
1532         (splat_input_operand): Add support for ISA 3.0 word splat operations.
1533         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
1534         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
1535         instruction and possibly with a sign extension.
1536         (output_vec_const_move): Add support for XXSPLTIB. If we are
1537         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
1538         instead of XXLXOR/XXLORC.
1539         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
1540         operations.
1541         (rs6000_legitimize_reload_address): Likewise.
1542         (rs6000_output_move_128bit): Use output_vec_const_move to emit
1543         constants.
1544         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
1545         combine VSX_M and VSX_M2 into one iterator.
1546         (VSX_M2): Likewise.
1547         (VSINT_84): New iterators for loading constants with XXSPLTIB.
1548         (VSINT_842): Likewise.
1549         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
1550         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
1551         XXSPLTIB instruction.
1552         (xxspltib_<mode>_nosplit): Likewise.
1553         (xxspltib_<mode>_split): New insn to load up constants with
1554         XXSPLTIB and a sign extend instruction.
1555         (vsx_mov<mode>): Replace single move that handled all vector types
1556         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
1557         moves (when -mvsx-timode is in effect) into the main vector
1558         moves.  Eliminate separate moves for <VSr> <VSa>, where the
1559         preferred register class (<VSr>) is listed first, and the
1560         secondary register class (<VSa>) is listed second with a '?' to
1561         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
1562         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
1563         that if the register was involved in a slow operation, the
1564         clear/set operation does not wait for the slow operation to
1565         finish.  Adjust the length attributes for 32-bit mode.  Use
1566         rs6000_output_move_128bit and drop the use of the string
1567         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
1568         spacing so that the alternatives and attributes don't generate
1569         long lines, and put things in columns, so that it is easier to
1570         match up the operands and attributes with the insn alternatives.
1571         (vsx_mov<mode>_64bit): Likewise.
1572         (vsx_mov<mode>_32bit): Likewise.
1573         (vsx_movti_64bit): Fold movti into normal vector moves.
1574         (vsx_movti_32bit): Likewise.
1575         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
1576         splat instructions.
1577         (vsx_splat_v4si_internal): Likewise.
1578         (vsx_splat_v4sf_internal): Likewise.
1579         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
1580         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
1581         extend vector elements.
1582         (vsx_sign_extend_hi_<mode>): Likewise.
1583         (vsx_sign_extend_si_v2di): Likewise.
1584         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
1585         declaration.
1586         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
1587         constraints.  Add trailing period to wL documentation.
1588
1589 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
1590
1591         PR middle-end/71020
1592         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
1593         * tree-dfa.c (replace_abnormal_ssa_names): New function.
1594         * tree-call-cdce.c: Include tree-dfa.h.
1595         (can_guard_call_p): New function, extracted from...
1596         (can_use_internal_fn): ...here.
1597         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
1598         and return void.
1599         (shrink_wrap_one_built_in_call): Likewise.
1600         (use_internal_fn): Likewise.
1601         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
1602         and return void.  Call replace_abnormal_ssa_names.
1603         (pass_call_cdce::execute): Check can_guard_call_p during the
1604         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
1605         will always change something.
1606
1607 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1608
1609         PR ipa/70646
1610         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
1611         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
1612
1613 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1614
1615         PR ipa/70646
1616         * ipa-inline.h (condition): New field size.
1617         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
1618         for comaprison and store it into the new condition.
1619         (evaluate_conditions_for_known_args): Use condition size to check
1620         access sizes for all but CHANGED conditions.
1621         (unmodified_parm_1): New parameter size_p, store access size into it.
1622         (unmodified_parm): Likewise.
1623         (unmodified_parm_or_parm_agg_item): Likewise.
1624         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
1625         (set_cond_stmt_execution_predicate): Extract access sizes and store
1626         them to conditions.
1627         (set_switch_stmt_execution_predicate): Likewise.
1628         (will_be_nonconstant_expr_predicate): Likewise.
1629         (will_be_nonconstant_predicate): Likewise.
1630         (inline_read_section): Stream condition size.
1631         (inline_write_summary): Likewise.
1632
1633 2016-05-18  Richard Biener  <rguenther@suse.de>
1634
1635         * tree-ssa-loop-im.c (determine_max_movement): Properly add
1636         condition cost to PHI cost instead of total_cost.
1637
1638 2016-05-18  Martin Liska  <mliska@suse.cz>
1639
1640         PR fortran/70856
1641         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
1642         merged variables.
1643
1644 2016-05-18  Richard Biener  <rguenther@suse.de>
1645
1646         * lto-streamer.h (LTO_major_version): Bump to 6.
1647
1648 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
1649
1650         * function.c (make_split_prologue_seq, make_prologue_seq,
1651         make_epilogue_seq): New functions, factored out from...
1652         (thread_prologue_and_epilogue_insns): Here.
1653
1654 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
1655
1656         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
1657         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
1658         of before.  Add a comment.
1659
1660 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
1661
1662         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
1663         expression pointer, not pointer to the pointer.
1664
1665 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
1666
1667         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
1668         (avx2_pbroadcast<mode>): Add another alternative with v instead
1669         of x constraints in it, using <pbroadcast_evex_isa> isa.
1670         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
1671
1672         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
1673         constraint x instead of v in second alternative, add avx512bw
1674         alternative.
1675
1676         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
1677         constraint x instead of v in second alternative, add avx512bw
1678         alternative.
1679
1680         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
1681         constraint x instead of v in second alternative, add avx512bw
1682         alternative.
1683
1684         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
1685         avx512bw alternative.
1686
1687 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
1688
1689         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
1690         array to 128 chars.
1691         (define_insn "*andnottf3"): Ditto.
1692         (define_insn "*<code><mode>3"/any_logic): Ditto.
1693         (define_insn "*<code>tf3"/any_logic): Ditto.
1694         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
1695         operand to block AVX-512VL insn variant emit when it is not enabled.
1696
1697 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
1698
1699         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
1700         constraint fot SF mode.
1701
1702 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
1703             Kirill Yukhin  <kirill.yukhin@intel.com>
1704
1705         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
1706         modifiers.
1707         (define_insn "rsqrt14<mode>"): Ditto.
1708         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
1709         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
1710         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
1711         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
1712         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
1713         Ditto.
1714         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
1715         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
1716         * config/i386/i386.c (ix86_print_operand): Expand check for size
1717         override codes for Intel syntax.
1718
1719 2016-05-18  Richard Biener  <rguenther@suse.de>
1720
1721         PR tree-optimization/71168
1722         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
1723         initialization earlier.
1724
1725 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
1726
1727         * config/aarch64/aarch64-simd.md
1728         (aarch64_reduc_plus_internal<mode>): Rename to...
1729         (reduc_plus_scal): ...This, and remove previous implementation.
1730
1731 2016-05-18  Richard Biener  <rguenther@suse.de>
1732
1733         * passes.def: Put late dse and cd_dce in canonical order.
1734
1735 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
1736
1737         * ipa-inline-transform.c (preserve_function_body_p): Look for
1738         first non-thunk clone.
1739         (save_function_body): Save into first non-thunk.
1740         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
1741         up call stmt id.
1742         (lto_output_node): Inline thunks don't need body in every
1743         partition.
1744         * lto-streamer-in.c: Do not fixup thunk clones.
1745         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
1746         thunks.
1747         * tree-inline.c (copy_bb): Be prepared for target node to be new after
1748         folding suceeds.
1749
1750 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
1751
1752         PR middle-end/63586
1753         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
1754         (reassociate_bb): Call transform_add_to_multiply.
1755
1756 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
1757
1758         * config/aarch64/aarch64.c (all_extensions): Removed unused
1759         static variable.
1760
1761 2016-05-17  Nathan Sidwell  <nathan@acm.org>
1762
1763         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
1764         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
1765
1766 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
1767
1768         PR tree-optimization/54579
1769         PR middle-end/55299
1770         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
1771
1772 2016-05-17  Marek Polacek  <polacek@redhat.com>
1773
1774         PR ipa/71146
1775         * tree-inline.c (expand_call_inline): Call
1776         maybe_remove_unused_call_args.
1777
1778 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
1779
1780         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
1781         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
1782         * doc/md.texi (fmin@var{m}3): Likewise.
1783
1784 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1785
1786         * match.pd (X & C): New transformation.
1787
1788 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1789
1790         * match.pd (~X & Y): New transformation.
1791
1792 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1793
1794         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
1795         information for new SSA_NAME.
1796         (simplify_conversion_using_ranges): Get range through get_range_info
1797         instead of get_value_range.
1798
1799 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1800
1801         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
1802         Remove inline assembly.
1803         (vmvn_s16): Likewise.
1804         (vmvn_s32): Likewise.
1805         (vmvn_u8): Likewise.
1806         (vmvn_u16): Likewise.
1807         (vmvn_u32): Likewise.
1808         (vmvnq_s8): Likewise.
1809         (vmvnq_s16): Likewise.
1810         (vmvnq_s32): Likewise.
1811         (vmvnq_u8): Likewise.
1812         (vmvnq_u16): Likewise.
1813         (vmvnq_u32): Likewise.
1814         (vmvn_p8): Likewise.
1815         (vmvnq_p16): Likewise.
1816
1817 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1818
1819         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
1820         Use builtin.
1821         (vmul_n_s16): Likewise.
1822         (vmul_n_s32): Likewise.
1823         (vmul_n_u16): Likewise.
1824         (vmul_n_u32): Likewise.
1825         (vmulq_n_f32): Likewise.
1826         (vmulq_n_f64): Likewise.
1827         (vmulq_n_s16): Likewise.
1828         (vmulq_n_s32): Likewise.
1829         (vmulq_n_u16): Likewise.
1830         (vmulq_n_u32): Likewise.
1831
1832 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1833
1834         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
1835         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
1836
1837 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1838
1839         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
1840         to *aarch64_fma4_elt_from_dup<mode>.
1841         (*aarch64_fnma4_elt_to_128df): Rename to
1842         *aarch64_fnma4_elt_from_dup<mode>.
1843         * config/aarch64/arm_neon.h (vfma_n_f64): New.
1844         (vfms_n_f32): Likewise.
1845         (vfms_n_f64): Likewise.
1846         (vfmsq_n_f32): Likewise.
1847         (vfmsq_n_f64): Likewise.
1848
1849 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
1850
1851         * wide-int.h: Change fixed_wide_int_storage from class to struct.
1852
1853 2016-05-17  Richard Biener  <rguenther@suse.de>
1854
1855         PR tree-optimization/71132
1856         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
1857         Only add control dependences for blocks in the loop.
1858         (build_rdg): Adjust.
1859         (generate_code_for_partition): Return whether loop should
1860         be destroyed and delay that.
1861         (distribute_loop): Likewise.
1862         (pass_loop_distribution::execute): Record loops to be destroyed
1863         and perform delayed destroying of loops.
1864
1865 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1866
1867         PR target/70809
1868         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
1869
1870 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1871
1872         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
1873
1874 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
1875
1876         PR target/71114
1877         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
1878         insertion point for instructions generated by validize_mem.
1879
1880 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1881
1882         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
1883         in brackets.
1884
1885 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1886
1887         * config/aarch64/aarch64.c
1888         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
1889         rather than a macro.
1890
1891 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1892
1893         * doc/invoke.texi (AArch64 Options): Various updates.
1894
1895 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1896
1897         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
1898         into instrumentation thunks.
1899         * cif-code.def (CIF_CHKP): New.
1900
1901 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
1902
1903         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
1904
1905 2016-05-16  Martin Jambor  <mjambor@suse.cz>
1906
1907         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
1908         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
1909
1910 2016-05-16  Marek Polacek  <polacek@redhat.com>
1911
1912         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
1913         commentary.
1914
1915 2016-05-16  Martin Jambor  <mjambor@suse.cz>
1916
1917         PR hsa/70857
1918         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
1919         the outlined kernel function.
1920
1921 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
1922
1923         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
1924         (ISA_HAS_DLSA): Ditto.
1925
1926 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
1927
1928         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
1929
1930 2016-05-16  Nathan Sidwell  <nathan@acm.org>
1931
1932         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
1933         (nvptx_name_replacement): Restore.  Add comment.
1934         (write_fn_proto, write_fn_proto_from_insn,
1935         nvptx_output_call_insn): Restore
1936         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
1937
1938 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1939
1940         * config/aarch64/aarch64.md
1941         (add<mode>3_compareC_cconly_imm): Remove use of %w.
1942         (add<mode>3_compareC_imm): Likewise.
1943         (<optab>si3_uxtw): Split into register and immediate variants.
1944         (andsi3_compare0_uxtw): Likewise.
1945         (and<mode>3_compare0): Likewise.
1946         (and<mode>3nr_compare0): Likewise.
1947         (stack_protect_test_<mode>): Don't use %x for memory operands.
1948
1949 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
1950
1951         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
1952
1953 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1954
1955         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
1956         Split integer shifts into shift_reg and bfm.
1957         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
1958         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
1959         (ror<mode>3_insn): Likewise.
1960         (<optab>si3_insn_uxtw): Likewise.
1961         (<optab><mode>3_insn): Change to rotate_imm.
1962         (extr<mode>5_insn_alt): Likewise.
1963         (extrsi5_insn_uxtw): Likewise.
1964         (extrsi5_insn_uxtw_alt): Likewise.
1965
1966 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1967
1968         * doc/tm.texi: Regenerate.
1969         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
1970         (TARGET_INVALID_RETURN_TYPE): Remove.
1971         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
1972         TARGET_INVALID_RETURN_TYPE.
1973         * target.def (invalid_parameter_type): Remove.
1974         (invalid_return_type): Remove.
1975
1976 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1977
1978         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
1979         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
1980         calls from thunk.
1981         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
1982         gimple body.
1983         (preserve_function_body_p): No need to preserve function body
1984         * cif-codes.def (CIF_THUNK): Remove.
1985         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
1986
1987 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1988
1989         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
1990
1991 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1992
1993         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
1994         for thunks.
1995
1996 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1997
1998         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
1999         (inline_small_functions): Do not look for function symbol when
2000         resetting caches.
2001
2002 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
2003
2004         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
2005         of inline thunks
2006
2007 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
2008             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2009             Jiong Wang  <jiong.wang@arm.com>
2010
2011         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
2012         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
2013         Define __ARM_FP16_ARGS when appropriate.
2014         * config/arm/arm.c (arm_invalid_parameter_type): Remove
2015         declaration.
2016         (arm_invalid_return_type): Likewise.
2017         (TARGET_INVALID_PARAMETER_TYPE): Remove.
2018         (TARGET_INVALID_RETURN_TYPE): Remove.
2019         (aapcs_vfp_sub_candidate): Allow HFmode.
2020         (aapcs_vfp_allocate): Add comment.  Support HFmode.
2021         (aapcs_vfp_allocate_return_reg): Likewise.
2022         (struct aapcs_cp_arg_layout): Slightly reword comments for
2023         is_return_candidate and allocate_return_reg.
2024         (output_mov_vfp): Update assert.
2025         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
2026         condition.
2027         (arm_invalid_parameter_type): Remove.
2028         (amr_invalid_return_type): Remove.
2029         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
2030         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
2031         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
2032
2033 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
2034
2035         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
2036         * config/aarch64/arch64-protos.h
2037         (aarch64_legitimize_reload_address): Remove.
2038         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
2039         Remove.
2040
2041 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
2042
2043         * configure.ac: Add ACX_NONCANONICAL_HOST.
2044         * configure: Regenerate.
2045         * Makefile.in: Set host_noncanonical.
2046
2047 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
2048
2049         PR target/71097
2050         * config/i386/i386.md (*movtf_internal): Before register allocation,
2051         do not allow FP constants for CM_MEDIUM memory model, allow only
2052         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
2053         (*movxf_internal): Ditto.
2054         (*movdf_internal): Ditto.
2055         (*movsf_internal): Ditto.
2056
2057 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
2058
2059         PR rtl-optimization/67483
2060         * combine.c (make_compound_operation): Don't call extract_left_shift
2061         with negative shift amounts.
2062
2063 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
2064
2065         PR bootstrap/71071
2066         * fold-const.c (fold_checksum_tree): Allow modification
2067         of TYPE_ALIAS_SET during folding.
2068
2069         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
2070         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
2071         (ix86_split_to_parts): Likewise.  Fix up formatting.
2072
2073 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
2074
2075         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
2076         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
2077         printf format.
2078
2079 2016-05-13  Nathan Sidwell  <nathan@acm.org>
2080
2081         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
2082         (nvptx_name_replacement): Delete.
2083         (write_fn_proto, write_fn_proto_from_insn,
2084         nvptx_output_call_insn): Remove nvptx_name_replacement call.
2085         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
2086         * langhooks.c (add_builtin_funcction_common): Call
2087         targetm.mangle_decl_assembler_name.
2088
2089         * config/nvptx/nvptx.c (write_fn_proto): Handle
2090         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
2091
2092 2016-05-13  Martin Liska  <mliska@suse.cz>
2093
2094         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
2095         and PRIu64 in printf format.
2096
2097 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2098
2099         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
2100         comment.
2101
2102 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2103
2104         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2105         Change --param max-completely-peeled-times to
2106         --param max-completely-peel-times in dump file printing.
2107
2108 2016-05-13  Richard Biener  <rguenther@suse.de>
2109
2110         PR tree-optimization/42587
2111         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
2112         (find_bswap_or_nop_1): Likewise.
2113         (bswap_replace): Likewise.
2114
2115 2016-05-13  Martin Liska  <mliska@suse.cz>
2116
2117         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
2118         Initialize a variable with default value.
2119
2120 2016-05-13  Martin Liska  <mliska@suse.cz>
2121
2122         * doc/invoke.texi: Enhance explanation of error recovery
2123         of sanitizers.
2124
2125 2016-05-13  Martin Liska  <mliska@suse.cz>
2126
2127         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
2128         (struct cost_pair): Change inv_expr_id (int) to inv_expr
2129         (iv_inv_expr_ent *).
2130         (struct iv_inv_expr_ent): Comment struct fields.
2131         (sort_iv_inv_expr_ent): New function.
2132         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
2133         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
2134         a hash_map between iv_inv_expr_ent and number of usages.
2135         (niter_for_exit): Fix coding style.
2136         (tree_ssa_iv_optimize_init): Use renamed variable.
2137         (determine_base_object): Fix coding style.
2138         (alloc_iv): Likewise.
2139         (find_interesting_uses_outside): Likewise.
2140         (add_candidate_1): Likewise.
2141         (add_standard_iv_candidates): Likewise.
2142         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
2143         (prepare_decl_rtl): Fix coding style.
2144         (get_address_cost): Likewise.
2145         (get_shiftadd_cost): Likewise.
2146         (force_expr_to_var_cost): Likewise.
2147         (compare_aff_trees): Likewise.
2148         (get_expr_id): Restructure the function.
2149         (get_loop_invariant_expr_id): Renamed to
2150         get_loop_invariant_expr.
2151         (get_computation_cost_at): Replace usage of inv_expr_id with
2152         inv_expr.
2153         (get_computation_cost): Likewise.
2154         (determine_group_iv_cost_generic): Likewise.
2155         (determine_group_iv_cost_address): Likewise.
2156         (iv_period): Fix coding style.
2157         (iv_elimination_compare_lt): Likewise.
2158         (may_eliminate_iv): Likewise.
2159         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
2160         inv_expr.
2161         (determine_group_iv_costs): Dump invariant expressions.
2162         (iv_ca_recount_cost): Use the newly added hash_map.
2163         (iv_ca_set_remove_invariants): Fix coding style.
2164         (iv_ca_set_add_invariants): Fix coding style.
2165         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
2166         invariants.
2167         (iv_ca_set_cp): Likewise.
2168         (iv_ca_new): Initialize the newly added hash_map and remove
2169         initialization of fields.
2170         (iv_ca_free): Delete the hash_map.
2171         (iv_ca_dump): Dump invariant expressions.
2172         (iv_ca_extend): Fix coding style.
2173         (try_add_cand_for): Likewise.
2174         (create_new_ivs): Dump information about # of avg iterations and
2175         # of used invariant expressions.
2176         (rewrite_use_compare): Fix coding style.
2177         (free_loop_data): Set default value for max_inv_expr_id.
2178
2179 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
2180
2181         * cse.c (rest_of_handle_cse): Use cleanup_cfg
2182         returned value cse_cfg_altered computation.
2183         (rest_of_handle_cse2): Likewise.
2184         (rest_of_handle_cse_after_global_opts): Likewise.
2185
2186 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2187
2188         PR target/53440
2189         * config/arm/arm.c (arm32_output_mi_thunk): New.
2190         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
2191         to split Thumb1 vs TARGET_32BIT functionality.
2192         (arm_thumb1_mi_thunk): New.
2193
2194 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2195
2196         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
2197         to true.
2198
2199 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2200
2201         PR target/71080
2202         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
2203
2204 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
2205
2206         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
2207         (expand_builtin_trap): Emit a regular call.
2208         (set_builtin_user_assembler_name): Remove obsolete cases.
2209         * dse.c (scan_insn): Adjust.
2210         * except.c: Include calls.h.
2211         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
2212         emit a regular call to setjmp.
2213         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
2214         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
2215         (emit_block_move_via_libcall): Delete.
2216         (block_move_fn): Delete.
2217         (init_block_move_fn): Likewise.
2218         (emit_block_move_libcall_fn): Likewise.
2219         (emit_block_op_via_libcall): New function.
2220         (set_storage_via_libcall): Tidy up and use memset builtin.
2221         (block_clear_fn): Delete.
2222         (init_block_clear_fn): Likewise.
2223         (clear_storage_libcall_fn): Likewise.
2224         (expand_assignment): Call emit_block_move_via_libcall.
2225         Do not include gt-expr.h.
2226         * expr.h (emit_block_op_via_libcall): Declare.
2227         (emit_block_copy_via_libcall): New inline function.
2228         (emit_block_move_via_libcall): Likewise.
2229         (emit_block_comp_via_libcall): Likewise.
2230         (block_clear_fn): Delete.
2231         (init_block_move_fn): Likewise.
2232         (init_block_clear_fn): Likewise.
2233         (emit_block_move_via_libcall): Likewise.
2234         (set_storage_via_libcall): Add default parameter value.
2235         * libfuncs.h (enum libfunc_index): Remove obsolete values.
2236         (abort_libfunc): Delete.
2237         (memcpy_libfunc): Likewise.
2238         (memmove_libfunc): Likewise.
2239         (memcmp_libfunc): Likewise.
2240         (memset_libfunc): Likewise.
2241         (setbits_libfunc): Likewise.
2242         (setjmp_libfunc): Likewise.
2243         (longjmp_libfunc): Likewise.
2244         (profile_function_entry_libfunc): Likewise.
2245         (profile_function_exit_libfunc): Likewise.
2246         (gcov_flush_libfunc): Likewise.
2247         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
2248         and DECL_VISIBILITY on the declaration.
2249         (init_optabs): Do not initialize obsolete libfuncs.
2250         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
2251         * tree-core.h (ECF_RET1): Define.
2252         (ECF_TM_PURE): Adjust.
2253         (ECF_TM_BUILTIN): Likewise.
2254         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
2255         (build_common_builtin_nodes): Initialize abort builtin.
2256         Add ECF_RET1 on memcpy, memmove and memset builtins.
2257         Pass final flags for alloca and alloca_with_align builtins.
2258         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
2259         obsolete builtins.
2260         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
2261         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
2262         set_storage_via_libcall and call emit_block_copy_via_libcall.
2263
2264 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
2265
2266         * config/i386/i386.md (*call_got_x32): Change operand 0 to
2267         DImode before it is passed to ix86_output_call_operand.
2268         (*call_value_got_x32): Ditto for operand 1.
2269
2270 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
2271
2272         PR rtl-optimization/70904
2273         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
2274         reload for wide mode.
2275
2276 2016-05-12  Marek Polacek  <polacek@redhat.com>
2277
2278         PR c/70756
2279         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
2280         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
2281         * langhooks.h (incomplete_type_error): Likewise.
2282         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
2283         parameter, pass it down to incomplete_type_error.
2284         * tree.h (size_in_bytes): New inline overload.
2285         (size_in_bytes_loc): Renamed from size_in_bytes.
2286
2287 2016-05-12  Richard Biener  <rguenther@suse.de>
2288
2289         PR tree-optimization/71059
2290         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
2291         nary before looking up or entering the expression into the VN
2292         hashes.
2293         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
2294         Make sure to re-use NARYs without result as inserted by
2295         phi-translation.
2296
2297 2016-05-12  Richard Biener  <rguenther@suse.de>
2298
2299         PR tree-optimization/71062
2300         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
2301         field.
2302         * tree-ssa-structalias.c (set_uids_in_ptset): Set
2303         vars_contains_restrict if the var is a restrict tag.
2304         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
2305         do not disambiguate pointers against it.
2306         (dump_points_to_solution): Re-structure and adjust for new
2307         vars_contains_restrict flag.
2308         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
2309
2310 2016-05-12  Martin Liska  <mliska@suse.cz>
2311
2312         * doc/invoke.texi: Explain connection between
2313         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
2314
2315 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
2316
2317         PR tree-optimization/71006
2318         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
2319         consider COND_EXPR as a mask producer.
2320
2321 2016-05-12  Marek Polacek  <polacek@redhat.com>
2322
2323         PR driver/71063
2324         * opts.c (common_handle_option): Detect missing argument for --help^.
2325
2326 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2327
2328         PR target/70830
2329         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
2330         when popping the PC and within an interrupt handler routine.
2331         Add missing tab to output of "ldmfd".
2332         (output_return_instruction): Output LDMFD with SP update rather
2333         than POP when returning from interrupt handler.
2334
2335 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
2336
2337         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
2338         TARGET_64BIT && TARGET_AVX512DQ.
2339         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
2340         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
2341         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
2342         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
2343         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
2344         (*vec_extractv4si_zext): Add avx512dq alternative.
2345         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
2346         use v instead of x constraint in other alternatives where possible.
2347
2348         * config/i386/sse.md (sse2_loadld): Use v instead of x
2349         constraint in alternatives 0,1,4.
2350
2351         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
2352         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
2353         v constraints instead of x and <pinsr_evex_isa> isa attribute.
2354
2355         PR target/71019
2356         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
2357         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
2358         is not emitted unless TARGET_AVX512BW.
2359         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
2360         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
2361         for the result operand.
2362
2363         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
2364         constraint instead of x in avx alternatives.  Use maybe_evex instead
2365         of vex prefix.
2366
2367         * config/i386/constraints.md (Yv): New constraint.
2368         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
2369         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
2370         * config/i386/i386.md (avx512fvecmode): New mode attr.
2371         (*pushtf): Use v constraint instead of x.
2372         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
2373         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
2374         (*absneg<mode>2): Use Yv constraint instead of x constraint.
2375         (*absnegtf2_sse): Likewise.
2376         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
2377         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
2378         avx512f alternatives.
2379         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
2380
2381 2016-05-12  Richard Biener  <rguenther@suse.de>
2382
2383         PR tree-optimization/71060
2384         * tree-data-ref.c (initialize_data_dependence_relation): Do not
2385         require exact match of DR_BASE_OBJECT but only matching address and
2386         type.
2387
2388 2016-05-12  Richard Biener  <rguenther@suse.de>
2389
2390         PR tree-optimization/70986
2391         * cfganal.c: Include cfgloop.h.
2392         (dfs_find_deadend): Prefer to take edges exiting loops.
2393
2394 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2395
2396         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
2397         compile and run time.
2398
2399 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
2400
2401         PR c/43651
2402         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
2403
2404 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
2405
2406         * config/i386/i386.c (legitimize_pic_address): Use
2407         copy_to_suggested_reg instead of gen_movsi.
2408
2409 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2410
2411         * config/rs6000/predicates.md (quad_memory_operand): Move most of
2412         the code into quad_address_p and call it to share code with
2413         vsx_quad_dform_memory_operand.
2414         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
2415         d-form support.
2416         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
2417         bit instead of being a separate word.  Split -mpower9-dform into
2418         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
2419         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
2420         for the register class supporting 128-bit quad word memory offsets.
2421         (mode_supports_vsx_dform_quad): Helper function to return if the
2422         register class uses quad word memory offsets.
2423         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
2424         (rs6000_debug_reg_global): Always print if we are using LRA or not.
2425         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
2426         instructions are enabled, set up the appropriate addr_masks for
2427         128-bit types.
2428         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
2429         -mpower9-dform-scalar, instead of -mpower9-dform.
2430         (rs6000_option_override_internal): Split -mpower9-dform into two
2431         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
2432         -mpower9-dform switch sets or clears both.  If we are not using
2433         the LRA register allocator, do not enable -mpower9-dform-vector by
2434         default.  If we are using LRA, enable -mpower9-dform-vector and
2435         -mvsx-timode if it is appropriate.  Issue a warning if either
2436         -mpower9-dform-vector or -mvsx-timode are explicitly used without
2437         enabling LRA.
2438         (quad_address_offset_p): New helper function to return if the
2439         offset is legal for quad word memory instructions.
2440         (quad_address_p): New function to determin if GPR or vector
2441         register quad word memory addresses are legal.
2442         (mem_operand_gpr): Validate quad word address offsets.
2443         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
2444         d-form (register + offset) instructions.
2445         (offsettable_ok_by_alignment): Likewise.
2446         (rs6000_legitimate_offset_address_p): Likewise.
2447         (legitimate_lo_sum_address_p): Likewise.
2448         (rs6000_legitimize_address): Likewise.
2449         (rs6000_legitimize_reload_address): Add more debug statements for
2450         -mdebug=addr.
2451         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
2452         d-form instructions.
2453         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
2454         d-form instructions.  Distinguish different cases in debug
2455         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
2456         d-form instructions.
2457         (rs6000_preferred_reload_class): Likewise.
2458         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
2459         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
2460         of the ISA 2.06 indexed memory instructions.
2461         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
2462         use them to save/restore the saved vector registers instead of
2463         using Altivec instructions.
2464         (rs6000_emit_epilogue): Likewise.
2465         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
2466         (rs6000_opt_masks): Split -mpower9-dform into
2467         -mpower9-dform-scalar and -mpower9-dform-vector.
2468         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
2469         was not selected.
2470         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
2471         ISA 3.0 vector indexed memory instructions, and fold the code into
2472         the normal mov<mode> patterns.
2473         (p9_vecstore_<mode>): Likewise.
2474         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
2475         instructions.
2476         (vsx_movti_64bit): Likewise.
2477         (vsx_movti_32bit): Likewise.
2478         * config/rs6000/constraints.md (wO constraint): New constraint for
2479         ISA 3.0 vector d-form support.
2480         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
2481         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
2482         include -mpower9-dform-vector until we switch over to LRA.
2483         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
2484         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
2485         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
2486         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2487         for -mpower9-dform and -mlra.
2488         * doc/md.texi (wO constraint): Document wO constraint.
2489
2490 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
2491
2492         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
2493         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
2494         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
2495         Move handling of non-insn arguments inline into the sole user:
2496         (output_trans_func): ...here.
2497         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
2498         in emitted function prototype.
2499         (output_internal_insn_latency_func): Ditto.  Simplify.
2500         (output_internal_maximal_insn_latency_func): Ditto.  Delete
2501         always-unused argument.
2502         (output_insn_latency_func): Ditto.
2503         (output_maximal_insn_latency_func): Ditto.
2504
2505 2016-05-11  Richard Biener  <rguenther@suse.de>
2506
2507         PR tree-optimization/71055
2508         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
2509         sth with precision not equal to access size verify we don't chop
2510         off bits.
2511
2512 2016-05-11  Richard Biener  <rguenther@suse.de>
2513
2514         PR debug/71057
2515         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
2516         (dwarf2out_finish): Move retry_incomplete_types call ...
2517         (dwarf2out_early_finish): ... here.
2518
2519 2016-05-11  Richard Biener  <rguenther@suse.de>
2520
2521         PR middle-end/71002
2522         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
2523         if the langhook insists on it.
2524         * fold-const.c (make_bit_field_ref): Add arg for the original
2525         reference and preserve its alias-set.
2526         (decode_field_reference): Take exp by reference and adjust it
2527         to the original memory reference.
2528         (optimize_bit_field_compare): Adjust callers.
2529         (fold_truth_andor_1): Likewise.
2530         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
2531
2532 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
2533
2534         PR middle-end/70807
2535         * cfgrtl.h (delete_insn_and_edges): Now return bool.
2536         * cfgrtl.c (delete_insn_and_edges): Likewise.
2537         * config/i386/i386.c (convert_scalars_to_vector): Remove
2538         redundant code.
2539         * cse.c (cse_insn): Compute cse_cfg_altered.
2540         (delete_trivially_dead_insns): Likewise.
2541         (cse_cc_succs): Likewise.
2542         (rest_of_handle_cse): Free dominance info if required.
2543         (rest_of_handle_cse2): Likewise.
2544         (rest_of_handle_cse_after_global_opts): Likewise.
2545
2546 2016-05-11  Alan Modra  <amodra@gmail.com>
2547
2548         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
2549         abi_v4_pass_in_fpr): New functions.
2550         (rs6000_function_arg_boundary): Exclude complex IBM long double
2551         from 64-bit alignment when ABI_V4.
2552         (rs6000_function_arg, rs6000_function_arg_advance_1,
2553         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
2554
2555 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
2556
2557         PR rtl-optimization/71028
2558         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
2559         jump with just a return in the fallthrough block if the branch
2560         block contains just a return as well.
2561
2562 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
2563
2564         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
2565         * match.pd ((X & Y) ^ Y): ... this.
2566         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
2567         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
2568
2569 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
2570
2571         * read-md.c (require_char_ws): New function.
2572         (read_string): Simplify using require_char_ws.
2573         (handle_constants): Likewise.
2574         (handle_enum): Likewise.
2575         (handle_file): Likewise.
2576         * read-md.h (require_char_ws): New declaration.
2577         * read-rtl.c (read_conditions): Simplify using require_char_ws.
2578         (read_mapping): Likewise.
2579         (read_rtx_code): Likewise.
2580         (read_nested_rtx): Likewise.
2581
2582 2016-05-10  James Norris  <jnorris@codesourcery.com>
2583
2584         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
2585         if offloading is enabled and -fopenacc or -fopenmp is specified.
2586         (CRTOFFLOADEND): Likewise.
2587         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
2588         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
2589
2590 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
2591
2592         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
2593         gotoff_operand code paths.  Use copy_to_suggested_regs and
2594         expand_simple_binop where appropriate.  Cleanup.
2595
2596 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2597
2598         PR target/70799
2599         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
2600         integer constants.
2601         (dimode_scalar_chain::vector_const_cost): New.
2602         (dimode_scalar_chain::compute_convert_gain): Handle constants.
2603         (dimode_scalar_chain::convert_op): Likewise.
2604         (dimode_scalar_chain::convert_insn): Likewise.
2605
2606 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
2607
2608         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
2609         unary operation, not a binary one.
2610
2611 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2612
2613         PR middle-end/70877
2614         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
2615         calls with type casted fndecl.
2616
2617 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2618
2619         PR tree-optimization/70786
2620         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
2621         * calls.c (initialize_argument_information): Bind bounds
2622         with corresponding args passed by reference.
2623
2624 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
2625
2626         PR target/70927
2627         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
2628         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
2629         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
2630         accordingly.
2631
2632 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2633
2634         PR target/70963
2635         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
2636         code for a zero scale factor.
2637         (vsx_xvcvdpuxds_scale): Likewise.
2638
2639 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
2640
2641         * diagnostic-show-locus.c (layout::layout): Call show_ruler
2642         if show_ruler_p was set on the context.
2643         (layout::show_ruler): New method.
2644         * diagnostic.h (struct diagnostic_context): Add field
2645         "show_ruler_p".
2646
2647 2016-05-10  Richard Biener  <rguenther@suse.de>
2648
2649         PR tree-optimization/71039
2650         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
2651         (chk_uses): New function.
2652         (propagate_with_phi): Verify we can safely replicate the lhs of an
2653         aggregate assignment on all incoming edges.
2654
2655 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
2656
2657         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
2658         Forward declare.
2659         (rx_atomic_sequence): New class.
2660         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
2661         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
2662         non-inline.
2663         (rx_atomic_sequence::rx_atomic_sequence,
2664         rx_atomic_sequence::~rx_atomic_sequence): New functions.
2665         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
2666         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
2667         CTRLREG_INTB): New constants.
2668         (FETCHOP): New code iterator.
2669         (fethcop_name, fetchop_name2): New iterator code attributes.
2670         (QIHI): New mode iterator.
2671         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
2672         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
2673         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
2674
2675 2016-05-10  Martin Liska  <mliska@suse.cz>
2676
2677         * tree-inline.c (remap_dependence_clique): Do not remap
2678         debugging statements.
2679
2680 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2681
2682         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
2683         ("*fixuns_truncdfdi2_z13")
2684         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
2685         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
2686         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
2687
2688 2016-05-10  Richard Biener  <rguenther@suse.de>
2689
2690         PR tree-optimization/70497
2691         PR tree-optimization/28367
2692         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
2693         split out from ...
2694         (visit_reference_op_load): ... here.
2695         (vn_reference_lookup_3): Use it to handle subreg-like accesses
2696         with simplified BIT_FIELD_REFs.
2697         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
2698         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
2699         correctly.
2700
2701 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
2702
2703         * dwarf2out.c (add_abstract_origin_attribute): Adjust
2704         documentation comment.  For BLOCK nodes, add a
2705         DW_AT_abstract_origin attribute that points to the DIE generated
2706         for the origin BLOCK.
2707         (gen_lexical_block_die): Call add_abstract_origin_attribute for
2708         blocks from inlined functions.
2709
2710 2016-05-10  Alan Modra  <amodra@gmail.com>
2711
2712         PR target/70947
2713         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
2714         regrename modifying insns saving lr before __morestack call.
2715         * config/rs6000/rs6000.md (split_stack_return): Similarly for
2716         insns restoring lr after __morestack call.
2717
2718 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
2719
2720         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
2721         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
2722         expanders.
2723         * config/i386/sse.md (vec_interleave_high<mode>,
2724         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
2725         <avx512>_vpermt2var<mode>3_maskz): Likewise.
2726
2727 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2728
2729         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
2730         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
2731         parallel reassociation for power8 and forward.
2732
2733 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
2734
2735         * config/i386/i386.md (absneg splitters with general regs): Use
2736         general_reg_operand predicate.
2737         (btsq peephole2): Use x86_64_immediate_operand to check if new
2738         value is suitable for immediate operand.  Generate emitted insn
2739         using RTL expressions.
2740         (btcq peephole2): Ditto.
2741         (btrq peephole2): Ditto.  Generate correct immediate operand
2742         for AND masking.
2743
2744 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
2745
2746         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
2747         bitpos.
2748
2749 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
2750
2751         * tree-affine.c (wide_int_constant_multiple_p): Add missing
2752         pointer dereference.
2753
2754 2016-05-09  Richard Biener  <rguenther@suse.de>
2755
2756         PR tree-optimization/70985
2757         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
2758         op0 isn't a gimple register.
2759
2760 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
2761
2762         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
2763         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
2764         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
2765         (i6400_fpu_mult): New cpu units.
2766         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
2767         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
2768         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
2769         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
2770         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
2771         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
2772         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
2773         (i6400_msa_long_float4, i6400_msa_long_float5)
2774         (i6400_msa_long_float8, i6400_msa_fdiv_df)
2775         (i6400_msa_fdiv_sf): New reservations.
2776         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
2777         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
2778         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
2779         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
2780         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
2781         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
2782         (msa_short_cmp, msa_short_float2, msa_short_logic3)
2783         (msa_short_store4, msa_long_load, msa_short_store)
2784         (msa_long_logic, msa_long_float2, msa_long_float4)
2785         (msa_long_float5, msa_long_float8, msa_long_mult)
2786         (msa_long_fdiv, msa_long_div): New reservations.
2787
2788 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
2789             Sameera Deshpande  <sameera.deshpande@imgtec.com>
2790             Matthew Fortune  <matthew.fortune@imgtec.com>
2791             Graham Stott  <graham.stott@imgtec.com>
2792             Chao-ying Fu  <chao-ying.fu@imgtec.com>
2793
2794         * config.gcc: Add MSA header file for mips*-*-* target.
2795         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
2796         (Ubv8i, Urv8):  New constraints.
2797         * config/mips/mips-ftypes.def: Add function types for MSA
2798         builtins.
2799         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
2800         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
2801         * config/mips/mips-msa.md: New file.
2802         * config/mips/mips-protos.h
2803         (mips_split_128bit_const_insns): New prototype.
2804         (mips_msa_idiv_insns): Likewise.
2805         (mips_split_128bit_move): Likewise.
2806         (mips_split_128bit_move_p): Likewise.
2807         (mips_split_msa_copy_d): Likewise.
2808         (mips_split_msa_insert_d): Likewise.
2809         (mips_split_msa_fill_d): Likewise.
2810         (mips_expand_msa_branch): Likewise.
2811         (mips_const_vector_same_val_p): Likewise.
2812         (mips_const_vector_same_bytes_p): Likewise.
2813         (mips_const_vector_same_int_p): Likewise.
2814         (mips_const_vector_shuffle_set_p): Likewise.
2815         (mips_const_vector_bitimm_set_p): Likewise.
2816         (mips_const_vector_bitimm_clr_p): Likewise.
2817         (mips_msa_vec_parallel_const_half): Likewise.
2818         (mips_msa_output_division): Likewise.
2819         (mips_ldst_scaled_shift): Likewise.
2820         (mips_expand_vec_cond_expr): Likewise.
2821         * config/mips/mips.c (enum mips_builtin_type): Add
2822         MIPS_BUILTIN_MSA_TEST_BRANCH.
2823         (mips_gen_const_int_vector_shuffle): New prototype.
2824         (mips_const_vector_bitimm_set_p): New function.
2825         (mips_const_vector_bitimm_clr_p): Likewise.
2826         (mips_const_vector_same_val_p): Likewise.
2827         (mips_const_vector_same_bytes_p): Likewise.
2828         (mips_const_vector_same_int_p): Likewise.
2829         (mips_const_vector_shuffle_set_p): Likewise.
2830         (mips_symbol_insns): Forbid loading symbols via immediate for
2831         MSA.
2832         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
2833         stores.
2834         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
2835         MSA.
2836         (mips_lx_address_p): Add support load indexed address for MSA.
2837         (mips_address_insns): Add calculation of instructions needed for
2838         stores and loads for MSA.
2839         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
2840         CONST_VECTOR for MSA and let it fall through.
2841         (mips_ldst_scaled_shift): New function.
2842         (mips_subword_at_byte): Likewise.
2843         (mips_msa_idiv_insns): Likewise.
2844         (mips_legitimize_move): Validate MSA moves.
2845         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
2846         calculation of costs for MSA division.
2847         (mips_split_move_p): Check if MSA moves need splitting.
2848         (mips_split_move): Split MSA moves if necessary.
2849         (mips_split_128bit_move_p): New function.
2850         (mips_split_128bit_move): Likewise.
2851         (mips_split_msa_copy_d): Likewise.
2852         (mips_split_msa_insert_d): Likewise.
2853         (mips_split_msa_fill_d): Likewise.
2854         (mips_output_move): Handle MSA moves.
2855         (mips_expand_msa_branch): New function.
2856         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
2857         Reinstate 'y' modifier.
2858         (mips_file_start): Add MSA .gnu_attribute.
2859         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
2860         FPRs.
2861         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
2862         (mips_class_max_nregs): Add register size for MSA supported mode.
2863         (mips_cannot_change_mode_class): Allow conversion between MSA
2864         vector modes and TImode.
2865         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
2866         instruction.
2867         (mips_secondary_reload_class): Force MSA loads/stores via memory.
2868         (mips_preferred_simd_mode): Add preffered modes for MSA.
2869         (mips_vector_mode_supported_p): Add MSA supported modes.
2870         (mips_autovectorize_vector_sizes): New function.
2871         (mips_msa_output_division): Likewise.
2872         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
2873         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
2874         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
2875         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
2876         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
2877         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
2878         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
2879         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
2880         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
2881         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
2882         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
2883         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
2884         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
2885         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
2886         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
2887         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
2888         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
2889         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
2890         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
2891         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
2892         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
2893         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
2894         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
2895         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
2896         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
2897         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
2898         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
2899         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
2900         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
2901         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
2902         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
2903         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
2904         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
2905         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
2906         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
2907         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
2908         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
2909         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
2910         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
2911         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
2912         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
2913         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
2914         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
2915         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
2916         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
2917         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
2918         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
2919         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
2920         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
2921         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
2922         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
2923         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
2924         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
2925         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
2926         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
2927         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
2928         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
2929         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
2930         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
2931         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
2932         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
2933         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
2934         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
2935         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
2936         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
2937         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
2938         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
2939         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
2940         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
2941         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
2942         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
2943         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
2944         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
2945         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
2946         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
2947         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
2948         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
2949         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
2950         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
2951         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
2952         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
2953         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
2954         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
2955         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
2956         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
2957         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
2958         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
2959         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
2960         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
2961         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
2962         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
2963         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
2964         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
2965         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
2966         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
2967         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
2968         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
2969         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
2970         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
2971         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
2972         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
2973         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
2974         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
2975         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
2976         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
2977         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
2978         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
2979         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
2980         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
2981         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
2982         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
2983         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
2984         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
2985         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
2986         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
2987         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
2988         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
2989         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
2990         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
2991         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
2992         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
2993         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
2994         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
2995         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
2996         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
2997         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
2998         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
2999         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
3000         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
3001         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
3002         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
3003         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
3004         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
3005         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
3006         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
3007         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
3008         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
3009         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
3010         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
3011         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
3012         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
3013         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
3014         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
3015         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
3016         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
3017         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
3018         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
3019         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
3020         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
3021         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
3022         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
3023         move_v builtins.
3024         (mips_get_builtin_decl_index): New array.
3025         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
3026         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
3027         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
3028         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
3029         (mips_init_builtins): Initialize mips_get_builtin_decl_index
3030         array.
3031         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
3032         hook.
3033         (mips_expand_builtin_insn): Prepare operands for
3034         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
3035         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
3036         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
3037         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
3038         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
3039         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
3040         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
3041         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
3042         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
3043         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
3044         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
3045         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
3046         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
3047         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
3048         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
3049         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
3050         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
3051         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
3052         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
3053         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
3054         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
3055         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
3056         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
3057         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
3058         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
3059         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
3060         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
3061         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
3062         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
3063         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
3064         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
3065         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
3066         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
3067         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
3068         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
3069         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
3070         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
3071         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
3072         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
3073         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
3074         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
3075         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
3076         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
3077         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
3078         These are set implicitly and an error is reported if overridden.
3079         (mips_expand_builtin_msa_test_branch): New function.
3080         (mips_expand_msa_shuffle): Likewise.
3081         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
3082         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
3083         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
3084         (mips_expand_vec_unpack): Add support for MSA.
3085         (mips_expand_vector_init): Likewise.
3086         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
3087         instead of const0_rtx.
3088         (mips_msa_vec_parallel_const_half): New function.
3089         (mips_gen_const_int_vector): Likewise.
3090         (mips_gen_const_int_vector_shuffle): Likewise.
3091         (mips_expand_msa_cmp): Likewise.
3092         (mips_expand_vec_cond_expr): Likewise.
3093         * config/mips/mips.h
3094         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
3095         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
3096         specified.
3097         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
3098         (ISA_HAS_MSA): New macro.
3099         (UNITS_PER_MSA_REG): Likewise.
3100         (BITS_PER_MSA_REG): Likewise.
3101         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
3102         (MSA_REG_FIRST): New macro.
3103         (MSA_REG_LAST): Likewise.
3104         (MSA_REG_NUM): Likewise.
3105         (MSA_REG_P): Likewise.
3106         (MSA_REG_RTX_P): Likewise.
3107         (MSA_SUPPORTED_MODE_P): Likewise.
3108         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
3109         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
3110         * config/mips/mips.md: Include mips-msa.md.
3111         (alu_type): Add simd_add.
3112         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
3113         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
3114         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
3115         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
3116         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
3117         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
3118         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
3119         simd_move, simd_load, simd_store.  Choose "multi" for moves
3120         for "qword_mode".
3121         (qword_mode): New attribute.
3122         (insn_count): Add instruction count for quad moves.
3123         Increase the count for MIPS SIMD division.
3124         (UNITMODE): Add UNITMODEs for vector types.
3125         (addsub): New code iterator.
3126         * config/mips/mips.opt (mmsa): New option.
3127         * config/mips/msa.h: New file.
3128         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
3129         specified.
3130         * config/mips/mti-linux.h: Likewise.
3131         * config/mips/predicates.md
3132         (const_msa_branch_operand): New constraint.
3133         (const_uimm3_operand): Likewise.
3134         (const_uimm4_operand): Likewise.
3135         (const_uimm5_operand): Likewise.
3136         (const_uimm8_operand): Likewise.
3137         (const_imm5_operand): Likewise.
3138         (aq10b_operand): Likewise.
3139         (aq10h_operand): Likewise.
3140         (aq10w_operand): Likewise.
3141         (aq10d_operand): Likewise.
3142         (const_m1_operand): Likewise.
3143         (reg_or_m1_operand): Likewise.
3144         (const_exp_2_operand): Likewise.
3145         (const_exp_4_operand): Likewise.
3146         (const_exp_8_operand): Likewise.
3147         (const_exp_16_operand): Likewise.
3148         (const_vector_same_val_operand): Likewise.
3149         (const_vector_same_simm5_operand): Likewise.
3150         (const_vector_same_uimm5_operand): Likewise.
3151         (const_vector_same_uimm6_operand): Likewise.
3152         (const_vector_same_uimm8_operand): Likewise.
3153         (par_const_vector_shf_set_operand): Likewise.
3154         (reg_or_vector_same_val_operand): Likewise.
3155         (reg_or_vector_same_simm5_operand): Likewise.
3156         (reg_or_vector_same_uimm6_operand): Likewise.
3157         * doc/extend.texi (MIPS SIMD Architecture Functions): New
3158         section.
3159         * doc/invoke.texi (-mmsa): Document new option.
3160
3161 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3162
3163         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
3164         * configure: Regenerate.
3165         * config.in: Regenerate.
3166         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
3167         on -fvtable-verify.
3168         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
3169         (ENDFILE_VTV_SPEC): Define.
3170
3171 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
3172
3173         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
3174         registers in all interrupt handlers if necessary.
3175         (rl78_option_override): Add warning.
3176         (MUST_SAVE_MDUC_REGISTERS): New macro.
3177         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
3178         * config/rl78/rl78.c (check_mduc_usage): New function.
3179         (mduc_regs): New structure to hold MDUC register data.
3180         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
3181         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
3182         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
3183         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
3184         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
3185         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
3186
3187 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
3188
3189         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
3190         (tree-ssa-loop-niter.h): Ditto.
3191         (idx_within_array_bound, ref_within_array_bound): New functions.
3192         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
3193         Factor out check on writable base object to ...
3194         (base_object_writable): ... here.
3195
3196 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3197
3198         * config/arm/arm.md (probe_stack): Add modes to set source
3199         and destination.
3200
3201 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
3202
3203         * regrename.c (base_reg_class_for_rename): New static function.
3204         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
3205
3206 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
3207
3208         * cgraph.c (thunk_adjust): Export.
3209         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
3210         * cgraphunit.c (thunk_adjust): Export.
3211         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
3212         thunks.
3213         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
3214         inlinable.
3215         * tree-inline.c (expand_call_inline): Expand thunks inline.
3216
3217 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
3218
3219         PR target/70998
3220         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
3221         (*sse2_vd_cvtss2sd): Ditto.
3222         * config/i386/i386.md
3223         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
3224         Generate *sse2_vd_cvtsd2ss pattern.
3225         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
3226         Generate *sse2_vd_cvtss2sd pattern.
3227
3228 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3229
3230         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
3231         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
3232         users.
3233
3234 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3235
3236         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
3237         * config/sh/sh.c: Define and declare variables on first use throughout
3238         the file.
3239         (current_function_interrupt): Change to bool type.
3240         (frame_insn): Rename to emit_frame_insn and update users.
3241         (push_regs): Use bool for 'interrupt_handler' argument.
3242         (save_schedule_s): Remove.
3243         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
3244         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
3245         targetm.asm_out.unaligned_op.di.
3246         (gen_far_branch): Remove redundant forward declaration.
3247         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
3248         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
3249         (sh_set_return_address, sh_function_ok_for_sibcall,
3250         scavenge_reg): Update comments.
3251         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
3252         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
3253         (sh_attr_renesas_p): Remove unnecessary parentheses.
3254         (branch_dest): Simplify.
3255         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
3256         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
3257         (CUMULATIVE_ARGS): Change macro to typedef.
3258         (current_function_interrupt): Change to bool type.
3259         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
3260         Surround with __cplusplus ifdef.
3261         (sh_compare_op0, sh_compare_op1): Remove.
3262         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
3263
3264 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
3265
3266         * config/arm/arm.md: (arch): Add neon.
3267         (arch_enabled): Return yes for arch neon when TARGET_NEON.
3268         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
3269         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
3270         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
3271         attributes for alt renumbering.  Mark alt 3 as non-predicable.
3272         (thumb2_movdf_vfp): Likewise.
3273
3274 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
3275
3276         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
3277         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
3278         (*andqi_1): Add preferred_for_speed attribute to disparage
3279         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
3280         (*<code>qi_1): Ditto.
3281         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
3282         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
3283         (*ashlqi3_1): Ditto.
3284         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
3285         Add preferred_for_size attribute to disparage alternative 0 and
3286         preferred_for_speed attribute to disparage alternative 1 for
3287         TARGET_PARTIAL_REG_STALL targets.
3288
3289 2016-05-07  Tom de Vries  <tom@codesourcery.com>
3290
3291         PR tree-optimization/70956
3292         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
3293         def.
3294
3295 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
3296
3297         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
3298         * config/sh/sh.c (sh_cbranch_distance): Implement it.
3299         * config/sh/sh.md (branch_zero): Remove define_attr.
3300         (define_delay): Disable delay slot if branch distance is one insn.
3301
3302 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3303
3304         * config/i386/i386.md (LEAMODE): New mode attribute.
3305         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
3306         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
3307         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
3308         operand 2 predicate.
3309         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
3310         (*lea<mode>_general_3): Ditto.
3311         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
3312
3313 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
3314
3315         * genmddump.c (main): Convert argv from char ** to const char **.
3316
3317 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3318
3319         * coretypes.h (OVERRIDE): New macro.
3320         (FINAL): New macro.
3321
3322 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
3323
3324         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
3325         allow coalescing if the types are compatible.
3326
3327 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3328
3329         * pass_manager.h (pass_manager::register_pass_name): New method.
3330         (pass_manager::get_pass_by_name): New method.
3331         (pass_manager::create_pass_tab): New method.
3332         (pass_manager::m_name_to_pass_map): New field.
3333         * passes.c (name_to_pass_map): Delete global in favor of field
3334         "m_name_to_pass_map" of pass_manager.
3335         (register_pass_name): Rename from a function to...
3336         (pass_manager::register_pass_name): ...this method, updating
3337         for renaming of global "name_to_pass_map" to field
3338         "m_name_to_pass_map".
3339         (create_pass_tab): Rename from a function to...
3340         (pass_manager::create_pass_tab): ...this method, updating
3341         for renaming of global "name_to_pass_map" to field.
3342         (get_pass_by_name): Rename from a function to...
3343         (pass_manager::get_pass_by_name): ...this method.
3344         (enable_disable_pass): Convert use of get_pass_by_name to
3345         a method call, locating the pass_manager singleton.
3346
3347 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3348
3349         * genattr-common.c (main): Convert argv from char ** to const char **.
3350         * genattr.c (main): Likewise.
3351         * genattrtab.c (main): Likewise.
3352         * genautomata.c (initiate_automaton_gen): Likewise.
3353         (main): Likewise.
3354         * gencodes.c (main): Likewise.
3355         * genconditions.c (main): Likewise.
3356         * genconfig.c (main): Likewise.
3357         * genconstants.c (main): Likewise.
3358         * genemit.c (main): Likewise.
3359         * genenums.c (main): Likewise.
3360         * genextract.c (main): Likewise.
3361         * genflags.c (main): Likewise.
3362         * genmddeps.c (main): Likewise.
3363         * genopinit.c (main): Likewise.
3364         * genoutput.c (main): Likewise.
3365         * genpeep.c (main): Likewise.
3366         * genpreds.c (main): Likewise.
3367         * genrecog.c (main): Likewise.
3368         * gensupport.c (init_rtx_reader_args_cb): Likewise.
3369         (init_rtx_reader_args): Likewise.
3370         * gensupport.h (init_rtx_reader_args_cb): Likewise.
3371         (init_rtx_reader_args): Likewise.
3372         * gentarget-def.c (main): Likewise.
3373         * read-md.c (read_md_files): Likewise.
3374         * read-md.h (read_md_files): Likewise.
3375
3376 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3377
3378         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
3379         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
3380         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
3381         Remove unused predicate.
3382         (register_and_not_fp_reg_operand): Ditto.
3383
3384 2016-05-06  Martin Liska  <mliska@suse.cz>
3385
3386         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
3387         instead of vec as the vector is local to the function.
3388
3389 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
3390
3391         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
3392         avx512bw alternative.
3393
3394         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
3395         before the ashr<mode>3 pattern.
3396
3397         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
3398         v instead of x in vex or maybe_vex alternatives, use
3399         maybe_evex instead of vex in prefix.
3400
3401         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
3402         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
3403         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
3404         in vex or maybe_vex alternatives, use maybe_evex instead of vex
3405         in prefix.
3406
3407         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
3408         v instead of x in vex or maybe_vex alternatives, use
3409         maybe_evex instead of vex in prefix.
3410
3411         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
3412         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
3413         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
3414         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
3415         alternatives, use maybe_evex instead of vex in prefix.
3416
3417         * config/i386/sse.md (vec_interleave_lowv4sf,
3418         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
3419         v instead of x in vex or maybe_vex alternatives, use
3420         maybe_evex instead of vex in prefix.
3421
3422         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
3423         v instead of x in vex or maybe_vex alternatives, use
3424         maybe_evex instead of vex in prefix.
3425
3426         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
3427         v constraint instead of x.
3428
3429 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3430
3431         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
3432         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
3433         equality first.
3434
3435 2016-05-06  Richard Biener  <rguenther@suse.de>
3436
3437         PR tree-optimization/70948
3438         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
3439         Properly clobber all fields of va_list for __builtin_va_start.
3440
3441 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
3442
3443         PR debug/70935
3444         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
3445         loop latch destination.
3446
3447 2016-05-06  Martin Liska  <mliska@suse.cz>
3448
3449         * tree-ssa-uninit.c: Apply manual changes
3450         to the GNU coding style.
3451         (prune_uninit_phi_opnds): Rename from
3452         prune_uninit_phi_opnds_in_unrealizable_paths.
3453
3454 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3455
3456         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
3457         mspace): Remove deprecated options.
3458         * doc/invoke.texi (SH options): Remove -mspace.
3459
3460 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3461
3462         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
3463
3464 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3465
3466         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
3467         corresponding combine split pattern.
3468
3469 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3470
3471         PR target/58219
3472         * config/sh/predicates.md (long_displacement_mem_operand): New.
3473         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
3474         Add movi20, movi20s alternatives.  Adjust length attribute for
3475         alternatives.
3476         (movsi_ie): Allow for any FPU.  Adjust length attribute for
3477         alternatives.
3478         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
3479         attribute for alternatives.
3480         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
3481         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
3482         length attribute for alternatives.
3483
3484 2016-05-06  Richard Biener  <rguenther@suse.de>
3485
3486         PR tree-optimization/70960
3487         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
3488
3489 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3490
3491         PR target/52933
3492         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
3493         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
3494
3495 2016-05-06  Marek Polacek  <polacek@redhat.com>
3496
3497         PR sanitizer/70875
3498         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
3499
3500 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3501
3502         PR target/54089
3503         * config/sh/sh.md (*rotcr): Add another variant.
3504
3505 2016-05-06  Richard Biener  <rguenther@suse.de>
3506
3507         PR middle-end/70931
3508         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
3509
3510 2016-05-06  Richard Biener  <rguenther@suse.de>
3511
3512         PR middle-end/70941
3513         * fold-const.c (split_tree): Always convert to the original type
3514         before negating.
3515
3516 2016-05-06  Richard Biener  <rguenther@suse.de>
3517
3518         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
3519         (fwprop_addr): Likewise.
3520
3521 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3522
3523         PR target/70873
3524         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
3525         New prototype.
3526         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
3527         * config/i386/i386.md (push mem splitter): Use find_constant_src in
3528         the splitter condition.
3529         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
3530         the splitter condition.
3531         (FP float_extend load splitter): Ditto.
3532
3533 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
3534
3535         * config/i386/i386.md (peehole2 patterns): Change true_regnum
3536         to REGNO in all peephole2 patterns.
3537         (post-reload splitters): Change true_regnum to REGNO in
3538         post-reload splitters.
3539         (zero_extend splitters): Use general_reg_operand and
3540         nonimmediate_gr_operand predicates.
3541
3542 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
3543
3544         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
3545         v constraint instead of x.
3546
3547 2016-05-05  Alan Modra  <amodra@gmail.com>
3548
3549         PR target/68662
3550         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
3551         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
3552         TARGET_NO_FP_IN_TOC for -mrelocatable.
3553         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
3554         TARGET_RELOCATABLE test.
3555         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3556         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3557         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3558         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3559         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3560         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3561         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3562         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3563         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
3564         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
3565         Likewise.
3566         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
3567         (rs6000_stack_info): Likewise.
3568         (rs6000_elf_asm_out_constructor): Likewise.
3569         (rs6000_elf_asm_out_destructor): Likewise.
3570         (rs6000_elf_declare_function_name): Likewise.
3571         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
3572         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
3573         Don't define.
3574
3575 2016-05-05  Alan Modra  <amodra@gmail.com>
3576
3577         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
3578
3579 2016-05-05  Alan Modra  <amodra@gmail.com>
3580
3581         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
3582         out-of-line gpr restore for one or two regs if that would add
3583         a save of lr.
3584
3585 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
3586
3587         PR target/70873
3588         * config/i386/i386.md
3589         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
3590         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
3591         as operand 0 predicate.
3592         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
3593         Ditto.
3594         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
3595         Ditto.  Emit the pattern using RTX.
3596
3597         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
3598         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
3599         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
3600         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
3601         Ditto.
3602         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
3603         sse_reg_operand as operand 0 predicate.
3604
3605         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
3606         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
3607         instead of gen_rtx_REG.
3608         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
3609         Ditto.
3610
3611 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3612
3613         * function.c (emit_use_return_register_into_block): Delete.
3614         (gen_return_pattern): Delete.
3615         (emit_return_into_block): Delete.
3616         (active_insn_between): Delete.
3617         (convert_jumps_to_returns): Delete.
3618         (emit_return_for_exit): Delete.
3619         (thread_prologue_and_epilogue_insns): Delete all code dealing with
3620         simple_return for shrink-wrapped blocks.
3621         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
3622         end of blocks that need one.
3623         (get_unconverted_simple_return): Delete.
3624         (convert_to_simple_return): Delete.
3625         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
3626         (convert_to_simple_return): Ditto.
3627
3628 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3629
3630         * cfgcleanup.c (bb_is_just_return): New function.
3631         (try_optimize_cfg): Simplify jumps to return, branches to return,
3632         and branches around return.
3633
3634 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3635
3636         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
3637         branch to a return.
3638
3639 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
3640
3641         PR c++/70906
3642         PR c++/70933
3643         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
3644         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
3645         assert flags & OEP_HASH_CHECK, instead of asserting it
3646         never happens.  Handle TARGET_EXPR.
3647         * fold-const.c (operand_equal_p): For hash verification,
3648         or in OEP_HASH_CHECK into flags.
3649
3650 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
3651
3652         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
3653         comment.
3654         (compute_samebase_partition_bases): Fix typo.
3655
3656 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
3657
3658         * config/i386/sse.md (vec_interleave_highv8sf,
3659         vec_interleave_lowv8sf, vec_interleave_highv4df,
3660         vec_interleave_lowv4df): Remove constraints from expanders.
3661
3662         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
3663
3664 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
3665
3666         * tree-inline.c (expand_call_inline): Fix path dealing with
3667         making lhs of call statement undefined.
3668
3669 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
3670
3671         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
3672         Check availability on NODE, too.
3673         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
3674         (cgraph_node::call_for_symbol_and_aliases): Likewise.
3675         (varpool_node::call_for_symbol_and_aliase): Likewise.
3676         * ipa-pure-const.c (add_new_function): Analyze all bodies.
3677         (propagate_pure_const): Propagate across interposable functions, too.
3678         (skip_function_for_local_pure_const): Do not skip interposable bodies
3679         with aliases.
3680         (pass_local_pure_const::execute): Update.
3681
3682 2016-05-04  Marek Polacek  <polacek@redhat.com>
3683
3684         * doc/invoke.texi: Document -Wdangling-else.
3685
3686 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3687
3688         * config.gcc: Error out when conflicting multilib is detected.  Do not
3689         loop over multilibs since no combination is legal.
3690
3691 2016-05-04  Alan Modra  <amodra@gmail.com>
3692
3693         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
3694         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
3695         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
3696         Align .toc.
3697
3698 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
3699
3700         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
3701         Clean up p5600 comments.
3702
3703 2016-05-04  Richard Biener  <rguenther@suse.de>
3704
3705         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
3706         constructor simplifications.
3707         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
3708
3709 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
3710
3711         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
3712         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
3713         result.set_rtx is null instead of aborting.
3714         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
3715         Always enable.
3716         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
3717         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
3718         *mov<mode>_store_postinc): New patterns.
3719
3720 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
3721
3722         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
3723         as commutative.  Check both conversions are NOP.
3724         ((A & B) OP (C & B)): Remove.
3725
3726 2016-05-04  Alan Modra  <amodra@gmail.com>
3727
3728         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
3729
3730 2016-05-04  Alan Modra  <amodra@gmail.com>
3731
3732         PR target/70866
3733         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
3734         when cr2,3,4 are all fixed regs.
3735
3736 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
3737
3738         PR rtl-optimization/57193
3739         * opts.c (default_options_table): Revert OPT_frename_registers change.
3740         * doc/invoke.texi (-frename-registers, -O2): Likewise.
3741
3742 2016-05-03  Martin Sebor  <msebor@redhat.com>
3743
3744         PR c++/66561
3745         * builtins.c (fold_builtin_FILE): New function.
3746         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
3747         (fold_builtin_0): Call them.
3748         * gimplify.c (gimplify_call_expr): Remove the handling of
3749         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
3750
3751         PR c++/66561
3752         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
3753         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
3754         constants.
3755
3756         PR c++/66639
3757         * doc/extend.texi (Function Names as Strings): Update __func__,
3758         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
3759         constants.
3760
3761 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3762             Richard Biener  <rguenther@suse.de>
3763
3764         PR tree-optimization/70916
3765         * tree-if-conv.c: Include cfganal.h.
3766         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
3767         and remove_fake_exit_edges around the optimization pass.
3768
3769 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
3770
3771         * cgraph.c (symbol_table::create_edge): Set inline_failed.
3772         (cgraph_edge::make_direct): Likewise.
3773         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
3774         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
3775         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
3776         (CIF_THUNK): New code.
3777         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
3778         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
3779         (compute_inline_parameters): Set inline_failed for thunks.
3780         (inline_analyze_function): Cleanup.
3781         * ipa-inline.c (can_inline_edge_p): Do not deal with
3782         call_stmt_cannot_inline_p.
3783         (can_early_inline_edge_p): Likewise.
3784         (early_inliner): Initialize inline_failed.
3785         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
3786
3787 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
3788
3789         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
3790         from nonimm_ssenomem_operand.
3791         (nonimm_ssenomem_operand): New predicate.
3792         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
3793         as operand 0 predicate.
3794         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
3795         Disable unsupported alternatives using "enabled" attribute.
3796         Use register_ssemem_operand as operand 0 predicate.
3797         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
3798
3799 2016-05-03  Marek Polacek  <polacek@redhat.com>
3800
3801         PR c/70859
3802         * input.c (expansion_point_location): New function.
3803         * input.h (expansion_point_location): Declare.
3804
3805 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
3806
3807         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
3808         occurence with frame_offset_ ones.
3809
3810 2016-05-03  Alan Modra  <amodra@gmail.com>
3811
3812         PR rtl-optimization/70890
3813         * ira.c (combine_and_move_insns): When moving def_insn, remove
3814         equivs on use_insn.
3815
3816 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3817
3818         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
3819         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
3820         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
3821         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
3822
3823 2016-05-03  Alan Modra  <amodra@gmail.com>
3824
3825         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
3826         for SAVE_MULTIPLE/STORE_MULTIPLE.
3827
3828 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3829
3830         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
3831         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
3832
3833 2016-05-03  Richard Biener  <rguenther@suse.de>
3834
3835         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
3836         default true.
3837         (gimplify_arg): Likewise.
3838         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
3839         re-writing the result to a decl if required.
3840         (internal_get_tmp_var): Add allow_ssa parameter
3841         and override into_ssa with it.
3842         (get_formal_tmp_var): Adjust.
3843         (get_initialized_tmp_var): Add allow_ssa parameter.
3844         (gimplify_arg): Add allow_ssa parameter and avoid generating
3845         SSA names for the result false.
3846         (gimplify_call_expr): If the call may return twice do not
3847         gimplify parameters into SSA.
3848         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
3849         (gimplify_modify_expr): Adjust assert.  For noreturn calls
3850         with a SSA name LHS adjust its def.
3851         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
3852         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
3853         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
3854         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
3855         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
3856         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
3857         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
3858         (optimize_target_teams): Do not allow SSA names for clause operands.
3859         (gimplify_expr): Likewise for where we mark the result addressable.
3860         * passes.def (pass_init_datastructures): Remove.
3861         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
3862         (rewrite_stmt): Likewise.
3863         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
3864         (replace_locals_op): Replace SSA names.
3865         (copy_gimple_seq_and_replace_locals): Init src_cfun.
3866         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
3867         * cgraph.c (release_function_body): Free CFG annotations only
3868         when we have a CFG.  Simplify.
3869         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
3870         force_gimple_operand instead of get_initialized_tmp_var.
3871         * tree-pass.h (make_pass_init_datastructures): Remove.
3872         * tree-ssa.c (execute_init_datastructures): Remove.
3873         (pass_data_init_datastructures): Likewise.
3874         (class pass_init_datastructures): Likewise.
3875         (make_pass_init_datastructures): Likewise.
3876         * omp-low.c (create_omp_child_function): Init SSA data structures.
3877         (grid_expand_target_grid_body): Likewise.
3878         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
3879         name before adding it to names_to_release.
3880         (remove_bb): Always release SSA defs.
3881         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
3882         before dereferencing it.
3883         * cgraphunit.c (init_lowered_empty_function): Always
3884         int SSA data structures.
3885         * tree-ssanames.c (release_defs): Remove assert that we are in
3886         SSA form.
3887         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
3888
3889 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3890             Uros Bizjak  <ubizjak@gmail.com>
3891
3892         PR rtl-optimization/70467
3893         * config/i386/predicates.md (x86_64_hilo_int_operand,
3894         x86_64_hilo_general_operand): New predicates.
3895         * config/i386/constraints.md (Wd): New constraint.
3896         * config/i386/i386.md (mode attr di): Use Wd instead of e.
3897         (general_hilo_operand): New mode attr.
3898         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
3899         instead of <general_operand>.
3900         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
3901         x86_64_hilo_general_operand instead of <general_operand>.
3902
3903 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3904
3905         PR tree-optimization/70916
3906         * tree-if-conv.c (constant_or_ssa_name): Removed.
3907         (fold_build_cond_expr): Use is_gimple_val instead of
3908         constant_or_ssa_name.
3909
3910         PR tree-optimization/70916
3911         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
3912         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
3913
3914         PR target/49244
3915         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
3916         (optimize_atomic_bit_test_and): New function.
3917         (pass_fold_builtins::execute): Use it.
3918         * optabs.def (atomic_bit_test_and_set_optab,
3919         atomic_bit_test_and_complement_optab,
3920         atomic_bit_test_and_reset_optab): New optabs.
3921         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
3922         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
3923         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
3924         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
3925         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
3926         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
3927         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
3928         * doc/md.texi (atomic_bit_test_and_set@var{mode},
3929         atomic_bit_test_and_complement@var{mode},
3930         atomic_bit_test_and_reset@var{mode}): Document.
3931         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
3932         atomic_bit_test_and_complement<mode>,
3933         atomic_bit_test_and_reset<mode>): New expanders.
3934         (atomic_bit_test_and_set<mode>_1,
3935         atomic_bit_test_and_complement<mode>_1,
3936         atomic_bit_test_and_reset<mode>_1): New insns.
3937
3938 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
3939
3940         PR rtl-optimization/70687
3941         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
3942         instead of unsigned HOST_WIDE_INT.
3943
3944 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
3945
3946         PR rtl-optimization/44281
3947         * hard-reg-set.h (struct target_hard_regs): New field
3948         x_fixed_nonglobal_reg_set.
3949         (fixed_nonglobal_reg_set): New macro.
3950         * reginfo.c (init_reg_sets_1): Initialize it.
3951         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
3952         of fixed_reg_set.
3953         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
3954
3955 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3956
3957         PR tree-optimization/56541
3958         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
3959         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
3960         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
3961         (any_complicated_phi): new static variable.
3962         (aggressive_if_conv): delete.
3963         (if_convertible_phi_p): support phis with more than two arguments.
3964         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
3965         critical pred edges.
3966         (ifcvt_split_critical_edges): support phis with more than two
3967         arguments by checking new parameter.  only split critical edges
3968         if needed.
3969         (tree_if_conversion): handle simd pragma marked loop using new
3970         local variable aggressive_if_conv.  check any_complicated_phi.
3971
3972 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3973
3974         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
3975         before using it.
3976
3977 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3978
3979         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
3980         cbase.
3981
3982 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
3983
3984         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
3985         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
3986         define_insn_and_split.
3987         (mulsi3_i): New define_insn_and_split.
3988         (mulsi3_call): Convert to define_insn.
3989         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
3990         Remove constraints.
3991
3992 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
3993
3994         * machmode.h (mode_complex): Add support to give the complex mode
3995         for a given mode.
3996         (GET_MODE_COMPLEX_MODE): Likewise.
3997         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
3998         stored by build_complex_type and gfc_build_complex_type instead of
3999         trying to figure out the appropriate mode based on the size. Raise
4000         an assertion error, if the type was not set.
4001         * genmodes.c (struct mode_data): Add field for the complex type of
4002         the given type.
4003         (blank_mode): Likewise.
4004         (make_complex_modes): Remember the complex mode created in the
4005         base type.
4006         (emit_mode_complex): Write out the mode_complex array to map a
4007         type mode to the complex version.
4008         (emit_insn_modes_c): Likewise.
4009         * tree.c (build_complex_type): Set the complex type to use before
4010         calling layout_type.
4011         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
4012         support for __float128 complex datatypes.
4013         (rs6000_hard_regno_mode_ok): Likewise.
4014         (rs6000_setup_reg_addr_masks): Likewise.
4015         (rs6000_complex_function_value): Likewise.
4016         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
4017         __float128 and __ibm128 complex.
4018         (FLOAT128_IBM_P): Likewise.
4019         (ALTIVEC_ARG_MAX_RETURN): Likewise.
4020         * doc/extend.texi (Additional Floating Types): Document that
4021         -mfloat128 must be used to enable __float128.  Document complex
4022         __float128 and __ibm128 support.
4023
4024 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
4025
4026         PR target/49244
4027         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
4028         char/short arguments promoted to int because of promote_prototypes.
4029
4030 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
4031
4032         * config/i386/predicates.md (register_ssemem_operand): New predicate.
4033         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
4034         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
4035         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
4036         alternatives using "enabled" attribute.  Use register_ssemem_operand
4037         as operand 1 predicate.
4038         (*cmpi<unord>xf_i387): Split XFmode pattern from
4039         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
4040         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
4041         *absneg<mode>2_i387.  Disable unsupported alternatives using
4042         "enabled" attribute.
4043         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
4044
4045 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
4046
4047         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
4048         marker.
4049         (oacc_loop_process): Check mask for loop termination.
4050
4051 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
4052
4053         * cif-code.def (CIF_THUNK): Add.
4054         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
4055         accidental change.
4056
4057 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
4058
4059         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
4060         (dump_inline_summary): Dump it.
4061         (fp_expression_p): New predicate.
4062         (estimate_function_body_sizes): Use it.
4063         (inline_merge_summary): Merge fp_expressions.
4064         (inline_read_section): Read fp_expressions.
4065         (inline_write_summary): Write fp_expressions.
4066         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
4067         codegen boundary if either caller or callee is !fp_expressions.
4068         * ipa-inline.h (inline_summary): Add fp_expressions.
4069         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
4070         to fp_expressions be sure the fp generation flags are updated.
4071
4072 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
4073
4074         PR rtl-optimization/70467
4075         * cse.c (cse_insn): Handle no-op MEM moves after folding.
4076
4077         PR rtl-optimization/70467
4078         * ipa-pure-const.c (check_call): Handle internal calls even in
4079         ipa mode like in local mode.
4080
4081 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4082
4083         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
4084
4085 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
4086
4087         * match.pd (X u< X, X u> X): New transformations.
4088
4089 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
4090
4091         * flag-types.h (enum warn_strict_overflow_code): Move ...
4092         * coretypes.h: ... here.
4093         * fold-const.h (fold_overflow_warning): Declare.
4094         * fold-const.c (fold_overflow_warning): Make non-static.
4095         (fold_comparison): Move the transformation of X +- C1 CMP C2
4096         into X CMP C2 -+ C1 ...
4097         * match.pd: ... here.
4098         * gimple-fold.c (fold_stmt_1): Protect with
4099         fold_defer_overflow_warnings.
4100
4101 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
4102
4103         * omp-low.c (struct oacc_loop): Add 'inner' field.
4104         (new_oacc_loop_raw): Initialize it to zero.
4105         (oacc_loop_fixed_partitions): Initialize it.
4106         (oacc_loop_auto_partitions): Partition outermost loop to outermost
4107         available partitioning.
4108
4109 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4110
4111         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
4112         register_operand.
4113         (umulsidi3): Likewise.
4114         (indirect_jump): Fix jump instruction assembly patterns.
4115
4116 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
4117
4118         PR target/70860
4119         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
4120         (nvptx_function_value): Assert non-NULL cfun.
4121
4122 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
4123
4124         PR rtl-optimization/70886
4125         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
4126
4127         * cselib.h (rtx_equal_for_cselib_1): Declare.
4128         (rtx_equal_for_cselib_p: New inline function.
4129         * cselib.c (rtx_equal_for_cselib_p): Delete.
4130         (rtx_equal_for_cselib_1): Make public.
4131
4132 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
4133
4134         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
4135         (register_mixssei387nonimm_operand): Remove predicate.
4136         * config/i386/i386.md (*fop_<mode>_comm): Merge from
4137         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
4138         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
4139         for TARGET_MIX_SSE_I387 alternatives.
4140         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
4141         Disable unsupported alternatives using "enabled" attribute.  Use
4142         nonimm_ssenomem_operand as operand 1 predicate.  Also check
4143         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
4144
4145 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4146
4147         * tree.c (cst_and_fits_in_hwi): Simplify.
4148
4149 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4150
4151         * tree.h (wi::to_wide): New function.
4152         * expr.c (expand_expr_real_1): Use wi::to_wide.
4153         * fold-const.c (int_const_binop_1): Likewise.
4154         (extract_muldiv_1): Likewise.
4155
4156 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4157
4158         * wide-int.h: Update offset_int and widest_int documentation.
4159         (WI_SIGNED_SHIFT_RESULT): New macro.
4160         (wi::binary_shift): Define signed_shift_result_type for
4161         shifts on offset_int- and widest_int-like types.
4162         (generic_wide_int): Support <<= and >>= if << and >> are supported.
4163         * tree.h (int_bit_position): Use shift operators instead of wi::
4164          shifts.
4165         * alias.c (adjust_offset_for_component_ref): Likewise.
4166         * expr.c (get_inner_reference): Likewise.
4167         * fold-const.c (fold_comparison): Likewise.
4168         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
4169         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
4170         * tree-dfa.c (get_ref_base_and_extent): Likewise.
4171         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
4172         (stmt_kills_ref_p): Likewise.
4173         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
4174         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
4175         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4176         (ao_ref_init_from_vn_reference): Likewise.
4177
4178 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4179
4180         * wide-int.h: Update offset_int and widest_int documentation.
4181         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
4182         (wi::binary_traits): Allow ordered comparisons between offset_int and
4183         offset_int, between widest_int and widest_int, and between either
4184         of these types and basic C types.
4185         (operator <, <=, >, >=): Define for the same combinations.
4186         * tree.h (tree_int_cst_lt): Use comparison operators instead
4187         of wi:: comparisons.
4188         (tree_int_cst_le): Likewise.
4189         * gimple-fold.c (fold_array_ctor_reference): Likewise.
4190         (fold_nonarray_ctor_reference): Likewise.
4191         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
4192         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
4193         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
4194         * tree-sra.c (completely_scalarize): Likewise.
4195         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
4196         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
4197         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
4198         (check_for_binary_op_overflow): Likewise.
4199         (search_for_addr_array): Likewise.
4200         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
4201
4202 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4203
4204         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
4205         (arc_save_restore): Likewise.
4206         (arc_dwarf_register_span): Likewise.
4207         (arc_output_pic_addr_const): Initialize suffix variable.
4208
4209 2016-05-02  Martin Liska  <mliska@suse.cz>
4210
4211         * symbol-summary.h (function_summary::function_summary):
4212         Remove checking assert for all cgraph nodes.
4213         (function_summary::get): Check summary_uid.
4214         (symtab_insertion): Check summary_uid.
4215
4216 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4217
4218         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
4219         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
4220         bmaskn instruction.
4221         (arc_dwarf_register_span): Remove enum keyword.
4222         (compact_memory_operand_p): New function.
4223         * config/arc/arc.h (reg_class): Add code density register classes.
4224         (REG_CLASS_NAMES): Likewise.
4225         (REG_CLASS_CONTENTS): Likewise.
4226         * config/arc/arc.md (*movqi_insn): Add code density instructions.
4227         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
4228         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
4229         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
4230         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
4231         constraints.
4232         (h, Rcd, Rsd, Rzd): New register constraints.
4233         (T): Use compact_memory_operand_p function.
4234         * config/arc/predicates.md (compact_load_memory_operand): Remove.
4235
4236 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
4237
4238         * config/sh/sh.md (*negnegt, *movtt): Remove.
4239
4240 2016-05-02  Marek Polacek  <polacek@redhat.com>
4241             Tom de Vries  <tom@codesourcery.com>
4242
4243         PR tree-optimization/70700
4244         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
4245         bigger than FIRST_REF_NODE.
4246
4247 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
4248
4249         PR target/52898
4250         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
4251         TARGET_CMPEQDI_T.
4252         (prepare_cbranch_operands): Don't use scratch register.  Assume that
4253         function is used when pseudos can be created.
4254         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
4255         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
4256         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
4257         define_expand.  Allow it only when pseudos can be created.
4258         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
4259
4260 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
4261
4262         * config/i386/constraints.md (BC): Only allow -1 operands.
4263         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
4264         Add "enabled" attribute.  Update XI mode attribute calculation.
4265         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
4266         (*movoi_internal_avx): Update XI mode attribute calculation.
4267         (*movti_internal): Ditto.
4268
4269 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4270
4271         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
4272         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
4273
4274 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4275
4276         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
4277         statement on instruction code.  Remove trailing spaces.
4278         (altivec_expand_stv_builtin): Likewise.
4279
4280 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4281
4282         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
4283         (TARGET_FPU_DOUBLE): Simplify.
4284         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
4285         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
4286         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
4287         with 'TARGET_FPU_DOUBLE'.
4288         * config/sh/sh.md: Likewise.
4289
4290 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
4291
4292         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
4293         SH_DIV_STR_FOR_SIZE): Remove.
4294         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
4295         SH_DIV_STR_FOR_SIZE): Remove.
4296
4297 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4298
4299         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
4300         logical_reg_operand): Delete.
4301         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
4302         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
4303         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
4304         match_operand and match_test.
4305         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
4306         variables on their first use.  Return bool values.
4307         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
4308         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
4309         arith_reg_operand for input operand.  Remove empty constraints.
4310         (xorsi3): Delete.
4311         (*xorsi3_compact): Rename to xorsi3.
4312         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
4313         (*zero_extend<mode>si2_disp_mem): Update comment.
4314         (mov_nop): Delete.
4315
4316 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
4317
4318         * config/sh/t-sh: Remove SH5 support.
4319         * config.gcc: Likewise.
4320         * configure: Likewise.
4321
4322 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4323
4324         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
4325
4326 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
4327
4328         * config/sh/sh.c (register_sh_passes, sh_option_override,
4329         sh_print_operand, prepare_move_operands,
4330         sh_can_follow_jump): Remove TARGET_SH1 checks.
4331         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
4332         PROMOTE_MODE): Likewise.
4333         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
4334         movdi): Likewise.
4335
4336 2016-04-30  Alan Modra  <amodra@gmail.com>
4337
4338         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
4339         restoring when fixed_reg_p, but allow out-of-line or stmw save.
4340         Check for user regs later to avoid unnecessary looping over regs.
4341         Merge user reg check with non-saved reg check.  Don't force
4342         inline VR restore when static chain used.
4343         (rs6000_frame_related): Omit eh_frame info for user regs when
4344         saving.
4345         (fixed_regs_p): Delete.
4346
4347 2016-04-30  Alan Modra  <amodra@gmail.com>
4348
4349         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
4350         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
4351         Update all uses.
4352
4353 2016-04-30  Alan Modra  <amodra@gmail.com>
4354
4355         PR target/69645
4356         * config/rs6000/rs6000.c (fixed_reg_p): New function.
4357         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
4358         Update all uses.
4359
4360 2016-04-30  Alan Modra  <amodra@gmail.com>
4361
4362         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
4363         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
4364         flag_pic test for Darwin.
4365
4366 2016-04-30  Alan Modra  <amodra@gmail.com>
4367
4368         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
4369         throw_calls_crossed.
4370         (REG_FREQ_CALLS_CROSSED): Delete.
4371         (REG_N_THROWING_CALLS_CROSSED): Delete.
4372         * regstat.c (regstat_bb_compute_ri): Don't calculate
4373         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
4374         (dump_reg_info): Don't print call cross frequency.
4375         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
4376         and REG_N_THROWING_CALLS_CROSSED.
4377
4378 2016-04-30  Alan Modra  <amodra@gmail.com>
4379
4380         * regs.h (struct reg_info_t): Delete live_length.
4381         (REG_LIVE_LENGTH): Delete macro.
4382         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
4383         local_live, local_processed and local_live_last_luid params.
4384         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
4385         Formatting fixes.
4386         (regstat_compute_ri): Adjust for above.  Don't set
4387         REG_LIVE_LENGTH.
4388         (dump_reg_info): Don't print live length.
4389         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
4390         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
4391         Localize loop_depth var.
4392
4393 2016-04-30  Alan Modra  <amodra@gmail.com>
4394
4395         * ira.c (enum valid_equiv): New.
4396         (validate_equiv_mem): Return enum.
4397         (update_equiv_mem): Create replacement in more cases.
4398         (add_store_equivs): Update validate_equiv_mem call.
4399
4400 2016-04-30  Alan Modra  <amodra@gmail.com>
4401
4402         * ira.c (combine_and_move_insns): Rather than scanning insns,
4403         use DF infrastucture to find use and def insns.
4404
4405 2016-04-30  Alan Modra  <amodra@gmail.com>
4406
4407         ira.c (combine_and_move_insns): Move invariant conditions..
4408         (ira.c): ..to here.  Call combine_and_move_insns before
4409         add_store_equivs.  Call grow_reg_equivs later.  Allocate
4410         req_equiv later using max_reg_num() rather than global max_regno.
4411         (contains_replace_regs): Delete.
4412         (add_store_equivs): Remove contains_replace_regs test.
4413
4414 2016-04-30  Alan Modra  <amodra@gmail.com>
4415
4416         * ira.c (struct equiv_mem_data): New.
4417         (equiv_mem, equiv_mem_modified): Delete static vars.
4418         (validate_equiv_mem_from_store): Use "data" param to communicate..
4419         (validate_equiv_mem): ..from here.
4420
4421 2016-04-30  Alan Modra  <amodra@gmail.com>
4422
4423         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
4424         split out from..
4425         (update_reg_equivs): ..here.  Move allocation and freeing of
4426         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
4427         end_alias_analysis to..
4428         (ira): ..here.
4429
4430 2016-04-30  Alan Modra  <amodra@gmail.com>
4431
4432         * ira.c (pdx_subregs): Delete.
4433         (struct equivalence): Add pdx_subregs field.
4434         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
4435         pdx_subregs access.
4436         (update_equiv_regs): Don't create or free pdx_subregs.  Update
4437         pdx_subregs access.
4438
4439 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4440
4441         * config/rs6000/altivec.h: Change definitions of vec_xl and
4442         vec_xst.
4443         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
4444         (LD_ELEMREV_V2DI): New.
4445         (LD_ELEMREV_V4SF): New.
4446         (LD_ELEMREV_V4SI): New.
4447         (LD_ELEMREV_V8HI): New.
4448         (LD_ELEMREV_V16QI): New.
4449         (ST_ELEMREV_V2DF): New.
4450         (ST_ELEMREV_V2DI): New.
4451         (ST_ELEMREV_V4SF): New.
4452         (ST_ELEMREV_V4SI): New.
4453         (ST_ELEMREV_V8HI): New.
4454         (ST_ELEMREV_V16QI): New.
4455         (XL): New.
4456         (XST): New.
4457         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4458         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
4459         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
4460         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
4461         (altivec_expand_builtin): Add handling for
4462         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
4463         (rs6000_invalid_builtin): Add error-checking for
4464         RS6000_BTM_P9_VECTOR.
4465         (altivec_init_builtins): Define builtins used to implement vec_xl
4466         and vec_xst.
4467         (rs6000_builtin_mask_names): Define power9-vector.
4468         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
4469         (RS6000_BTM_P9_VECTOR): Define.
4470         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
4471         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
4472         (vsx_ld_elemrev_v2df): Likewise.
4473         (vsx_ld_elemrev_v4sf): Likewise.
4474         (vsx_ld_elemrev_v4si): Likewise.
4475         (vsx_ld_elemrev_v8hi): Likewise.
4476         (vsx_ld_elemrev_v16qi): Likewise.
4477         (vsx_st_elemrev_v2df): Likewise.
4478         (vsx_st_elemrev_v2di): Likewise.
4479         (vsx_st_elemrev_v4sf): Likewise.
4480         (vsx_st_elemrev_v4si): Likewise.
4481         (vsx_st_elemrev_v8hi): Likewise.
4482         (vsx_st_elemrev_v16qi): Likewise.
4483         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
4484         grammar.
4485
4486 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
4487
4488         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
4489         out into ...
4490         (simplify_control_stmt_condition_1): ... here.  Recurse into
4491         BIT_AND_EXPRs and BIT_IOR_EXPRs.
4492
4493 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
4494
4495         PR target/69810
4496         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
4497         (zero_extendqi<mode>2_dot): Revert earlier conversion from
4498         define_insn_and_split to define_insn.
4499         (zero_extendqi<mode>2_dot2): Same.
4500         (extendqi<mode>2_dot): Same.
4501         (extendqi<mode>2_dot2): Same.
4502
4503 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4504
4505         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
4506         (probe_stack): New expander.
4507         (probe_stack_<mode>): New insn pattern.
4508
4509 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4510
4511         * config/i386/i386.md
4512         (operations with memory inputs setting flags peephole2):
4513         Remove uneeded REG_P checks.  Cleanup pattern generation.
4514
4515 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
4516
4517         * tree-vect-loop.c (vect_transform_loop): Fix
4518         nb_iterations_upper_bound computation for vectorized loop.
4519
4520 2016-04-29  Marek Polacek  <polacek@redhat.com>
4521             Jakub Jelinek  <jakub@redhat.com>
4522
4523         PR sanitizer/70342
4524         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
4525         TARGET_EXPR_SLOT as a base.
4526
4527 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
4528
4529         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
4530         with 'rCm2' constraints to limit possible immediate size.
4531         (*load_zeroextendqisi_update): Likewise.
4532         (*load_signextendqisi_update): Likewise.
4533         (*loadhi_update): Likewise.
4534         (*load_zeroextendhisi_update): Likewise.
4535         (*load_signextendhisi_update): Likewise.
4536         (*loadsi_update): Likewise.
4537         (*loadsf_update): Likewise.
4538
4539 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4540
4541         * config/i386/predicates.md (constm1_operand): Fix comparison.
4542
4543 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
4544
4545         * testsuite/gcc.target/arc/ieee_eq.c: New test.
4546
4547 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
4548
4549         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
4550         remaining SH5 related settings.
4551         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
4552         shmedia_prepare_call_address): Delete.
4553         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
4554         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
4555         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
4556         UNSUPPORTED_SH2A): Remove m5 checks.
4557         (sh_divide_strategy_e): Remove SH5 division strategies.
4558         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
4559         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
4560
4561 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4562
4563         * config/s390/s390.c (s390_rtx_costs): Update documentation.
4564
4565 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4566
4567         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
4568         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
4569         Change lder to ldr.
4570         * config/s390/vector.md ("mov<mode>"): Likewise.
4571
4572 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
4573
4574         * config/s390/constraints.md ("U", "W"): Invoke
4575         s390_mem_constraint with "ZR" and "ZT".
4576         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
4577         addresses when using LRA.  Accept also short displacements for S
4578         and T constraints.  Do not check for long displacement target for
4579         S and T constraints.
4580         (s390_mem_constraint): Remove handling of U and W constraints.
4581         * config/s390/s390.md (various patterns): Remove the short
4582         displacement constraints (Q and R) if a long displacement
4583         constraint is present.  Add longdisp as required CPU capability.
4584         * config/s390/vector.md: Likewise.
4585         * config/s390/vx-builtins.md: Likewise.
4586
4587 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
4588
4589         PR target/60040
4590         * reload1.c (reload): Call finish_spills before
4591         restarting reload loop. Skip select_reload_regs
4592         if update_eliminables_and_spill returns true.
4593
4594 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
4595
4596         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
4597         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
4598         (umulhisi3_imm): Update predicates and constraint letters.
4599         (umulhisi3_reg): Declare instruction as commutative.
4600         * config/arc/constraints.md (J12, J16): New constraints.
4601         * config/arc/predicates.md (short_unsigned_const_operand): New
4602         predicate.
4603         (arc_short_operand): Likewise.
4604         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
4605
4606 2016-04-29  Richard Biener  <rguenther@suse.de>
4607
4608         PR tree-optimization/13962
4609         PR tree-optimization/65686
4610         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
4611         * tree-ssa-alias.c (ptrs_compare_unequal): New function
4612         using PTA to compare pointers.
4613         * match.pd: Add pattern for pointer equality compare simplification
4614         using ptrs_compare_unequal.
4615
4616 2016-04-29  Richard Biener  <rguenther@suse.de>
4617
4618         * stor-layout.c (layout_type): Do not build a pointer-to-element
4619         type for arrays.
4620
4621 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4622
4623         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
4624         Use SWI mode iterator.  Use general_reg_operand predicate.
4625         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
4626         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
4627         predicates.
4628
4629 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
4630
4631         PR middle-end/70843
4632         * fold-const.c (operand_equal_p): Don't verify hash value equality
4633         if arg0 == arg1.
4634         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
4635         and OMP_CLAUSE.
4636
4637 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4638
4639         PR target/70858
4640         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
4641         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
4642         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
4643         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
4644         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
4645
4646 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4647
4648         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
4649         to info.  Don't initialize separate fields to 0.  Clean up
4650         formatting a bit.
4651
4652 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4653
4654         * config/i386/i386.md (peephole2s for operations with memory inputs):
4655         Use SWI mode iterator.
4656         (peephole2s for operations with memory outputs): Ditto.
4657         Do not check for stack checking probe.
4658
4659         (probe_stack): Remove expander.
4660
4661 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4662             Andrew Burgess  <andrew.burgess@embecosm.com>
4663
4664         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
4665         operands as 32-bits.
4666
4667 2016-04-28  Jason Merrill  <jason@redhat.com>
4668
4669         * gdbinit.in: Skip line-map.h.
4670
4671 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4672             Andrew Burgess  <andrew.burgess@embecosm.com>
4673
4674         * config/arc/arc.c (arc_conditional_register_usage): Take
4675         TARGET_RRQ_CLASS into account.
4676         (arc_print_operand): Support printing 'p' and 's' operands.
4677         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
4678         as 0.
4679         (TARGET_RRQ_CLASS): Define.
4680         (IS_POWEROF2_OR_0_P): Define.
4681         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
4682         alternatives.
4683         (*tst_movb): New define_insn.
4684         (*tst): Avoid recognition if it could prevent '*tst_movb'
4685         combination; replace c/CnL with c/Chs alternative.
4686         (*tst_bitfield_tst): New define_insn.
4687         (*tst_bitfield_asr): New define_insn.
4688         (*tst_bitfield): New define_insn.
4689         (andsi3_i): Add Rrq variant.
4690         (extzv): New define_expand.
4691         (insv): New define_expand.
4692         (*insv_i): New define_insn.
4693         (*movb): New define_insn.
4694         (*movb_signed): New define_insn.
4695         (*movb_high): New define_insn.
4696         (*movb_high_signed): New define_insn.
4697         (*movb_high_signed + 1): New define_split pattern.
4698         (*mrgb): New define_insn.
4699         (*mrgb + 1): New define_peephole2 pattern.
4700         (*mrgb + 2): New define_peephole2 pattern.
4701         * config/arc/arc.opt (mbitops): New option for nps400, uses
4702         TARGET_NPS_BITOPS_DEFAULT.
4703         * config/arc/constraints.md (q): Make register class conditional.
4704         (Rrq): New register constraint.
4705         (Chs): New constraint.
4706         (Clo): New constraint.
4707         (Chi): New constraint.
4708         (Cbf): New constraint.
4709         (Cbn): New constraint.
4710         (C18): New constraint.
4711         (Cbi): New constraint.
4712
4713 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4714
4715         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
4716         dst->popcount.
4717         (bitmap_intersection_of_preds): Ditto.
4718         (bitmap_union_of_succs): Ditto.
4719         (bitmap_union_of_preds): Ditto.
4720         * sbitmap.c (do_popcount): Delete.
4721         (BITMAP_DEBUGGING): Delete.
4722         (sbitmap_verify_popcount): Delete.
4723         (sbitmap_alloc): Don't initialize the popcount field.
4724         (sbitmap_alloc_with_popcount): Delete.
4725         (sbitmap_resize): Don't resize the popcount array.
4726         (sbitmap_vector_alloc): Don't initialize the popcount field.
4727         (bitmap_copy): Don't copy the popcount array.
4728         (bitmap_clear): Don't clear the popcount array.
4729         (bitmap_clear): Delete the popcount array handling.
4730         (bitmap_ior_and_compl): Delete the popcount assert.
4731         (bitmap_not): Ditto.
4732         (bitmap_and_compl): Ditto.
4733         (bitmap_and): Delete the popcount array handling.
4734         (bitmap_xor): Ditto.
4735         (bitmap_ior): Ditto.
4736         (bitmap_or_and): Delete the popcount assert.
4737         (bitmap_and_or): Ditto.
4738         (popcount_table): Delete.
4739         (sbitmap_elt_popcount): Delete.
4740         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
4741         (bitmap_set_bit): Delete the popcount assert.
4742         (bitmap_clear_bit): Ditto.
4743         (sbitmap_free): Don't free the popcount array.
4744         (sbitmap_alloc_with_popcount): Delete declaration.
4745         (sbitmap_popcount): Ditto.
4746
4747 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4748             Andrew Burgess  <andrew.burgess@embecosm.com>
4749
4750         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
4751         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
4752         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
4753         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
4754         * config/arc/arc.opt (mcmem): New option.
4755         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
4756         supply length for r/m alternative.
4757         (*extendqisi2_ac): Likewise.
4758         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
4759         r/Uex alternative.
4760         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
4761         (movhi_insn): Likewise.
4762         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
4763         (*zero_extendqihi2_i): Add r/Ucm alternative.
4764         (*zero_extendqisi2_ac): Likewise.
4765         (*zero_extendhisi2_i): Likewise.
4766         * config/arc/constraints.md (Uex): New memory constraint.
4767         (Ucm): New define_constraint.
4768         * config/arc/predicates.md (long_immediate_loadstore_operand):
4769         Return 0 for MEM with cmem_address address.
4770         (cmem_address_0): New predicates.
4771         (cmem_address_1): Likewise.
4772         (cmem_address_2): Likewise.
4773         (cmem_address): Likewise.
4774
4775 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4776
4777         * config/rs6000/rs6000.c (machine_function): Rename
4778         insn_chain_scanned_p to spe_insn_chain_scanned_p.
4779         (rs6000_stack_info): Adjust.
4780
4781 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4782             Andrew Burgess  <andrew.burgess@embecosm.com>
4783
4784         * config/arc/constraints.md (Usd): Convert to define_constraint.
4785         (Us<): Likewise.
4786         (Us>): Likewise.
4787
4788 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4789
4790         PR target/70821
4791         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
4792         Add new peephole2 where the first insn is *mov<mode>_or instead of
4793         *mov<mode>_internal.
4794
4795 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
4796
4797         * tracer.c (bb_seen): Make static.
4798
4799 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
4800
4801         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
4802         support, setup defaults.
4803         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
4804         * config/arc/arc.c (arc_init): Add NPS400 support.
4805         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
4806         (TARGET_ARC700): NPS400 is also an ARC700.
4807         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
4808
4809 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4810
4811         PR target/70668
4812         * config/nds32/nds32.md (casesi): Don't access the operands array
4813         out of bounds.
4814
4815 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4816
4817         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
4818         (or $-1,reg peephole2): Ditto.
4819         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
4820
4821 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
4822
4823         * doc/extend.texi (Common Function Attributes) [optimize]:
4824         Discourage use of the optimize attribute.
4825
4826 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
4827
4828         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
4829         special case builtin.
4830         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
4831         ALTIVEC_BUILTIN_VEC_ADDE.
4832         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
4833         support for ALTIVEC_BUILTIN_VEC_ADDE.
4834         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
4835         for __builtin_vec_adde.
4836
4837 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4838
4839         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
4840         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
4841
4842 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4843
4844         PR testsuite/70595
4845         * doc/sourcebuild.texi (Effective-Target Keywords, Other
4846         attributes): Document cilkplus_runtime.
4847
4848 2016-04-28  Martin Jambor  <mjambor@suse.cz>
4849
4850         * tree-cfg.c (verify_expr): Verify that local declarations belong to
4851         this function.  Call verify_expr on MEM_REFs and bases of other
4852         handled_components.
4853
4854 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4855
4856         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
4857         for WORD_REGISTER_OPERATIONS to runtime check.
4858
4859 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4860
4861         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
4862
4863 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4864
4865         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
4866         big-endian compilation.
4867         * config/arc/arc.md (addf3): Likewise.
4868         (subdf3): Likewise.
4869         (muldf3): Likewise.
4870
4871 2016-04-28  Richard Biener  <rguenther@suse.de>
4872
4873         PR tree-optimization/70840
4874         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
4875         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
4876         Mark x * pow(x,c) -> pow(x,c+1) commutative.
4877         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
4878
4879 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4880
4881         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
4882         and explain why in a comment.
4883
4884 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4885
4886         * config/arc/arc.md (cpu_facility): Add fpx variant.
4887         (subdf3): Prohibit use reverse sub when assist operations option
4888         is enabled.
4889         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
4890         instructions only when FPX is enabled.
4891         * testsuite/gcc.target/arc/trsub.c: New test.
4892
4893 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4894
4895         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
4896         mult_operator when calculating "type" attribute.
4897         (*fop_<mode>_1_i387): Ditto.
4898         (*fop_xf_1_i387): Ditto.
4899         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
4900         Use std::swap to swap operands.  Use RTL expressions to generate
4901         converted pattern.
4902
4903 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4904             Joern Rennecke  <joern.rennecke@embecosm.com>
4905
4906         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
4907         declaration.
4908         (emit_pic_move): Remove.
4909         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
4910         * config/arc/arc.c (emit_pic_move): Removed.
4911         (TARGET_HAVE_TLS): Define.
4912         (arc_conditional_register_usage): Test for arc_tp_regno.
4913         (arc_print_operand, arc_print_operand_address): Handle TLS
4914         unspecs.
4915         (arc_needs_pcl_p): New function.
4916         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
4917         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
4918         (arc_raw_symbolic_reference_mentioned_p): Likewise.
4919         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
4920         (arc_legitimize_tls_address): Likewise.
4921         (DTPOFF_ZERO_SYM): Define.
4922         (arc_legitimize_pic_address): Make it static, handle TLS cases.
4923         (arc_output_pic_addr_const): Print TLS unspecs.
4924         (prepare_pic_move): New function, replaces emit_pic_move.
4925         (arc_legitimate_constant_p): Handle TLS unspecs.
4926         (arc_legitimate_address_p): Likewise.
4927         (arc_rewrite_small_data_p): Use assert for TLS constants.
4928         (prepare_move_operands): Use prepare_pic_move.
4929         (arc_legitimize_address): Legitimize tls addresses.
4930         (arc_epilogue_uses): Check for arc_tp_regno.
4931         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
4932         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
4933         Define.
4934         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
4935         Likewise.
4936         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
4937         %(arc_tls_extra_start_spec).
4938         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
4939         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
4940         (EH_USES): Define.
4941         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
4942         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
4943         (UNSPEC_TLS_OFF): Add.
4944         (R10_REG): Define.
4945         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
4946         (get_thread_pointersi): New patterns.
4947         * config/arc/arc.opt (mtp-regno): New option.
4948         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
4949         (move_dest_operand): Likewise.
4950         * configure: Regenerate.
4951         * configure.ac: Add arc*-*-* case to test for tls.
4952         * doc/invoke.texi (ARC options): Document mtp-regno.
4953
4954 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4955
4956         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
4957         the new ARC HS SIMD instructions.
4958         (arc_preferred_simd_mode): New function.
4959         (arc_autovectorize_vector_sizes): Likewise.
4960         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
4961         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
4962         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
4963         (arc_init_builtins): Add new SIMD builtin types.
4964         (arc_split_move): Handle 64 bit vector moves.
4965         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
4966         (TARGET_PLUS_QMACW): Define.
4967         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
4968         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
4969         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
4970         (VSUBADD4H): New builtins.
4971         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
4972         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
4973
4974 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
4975             Matthias Klose  <doko@debian.org>
4976
4977         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
4978
4979 2016-04-28  Richard Biener  <rguenther@suse.de>
4980
4981         PR middle-end/70777
4982         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
4983         canonicalization.
4984
4985 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
4986
4987         * common/config/sh/sh-common.c: Remove SH5 support.
4988         * config/sh/constraints.md: Likewise.
4989         * config/sh/config/sh/elf.h: Likewise.
4990         * config/sh/linux.h: Likewise.
4991         * config/sh/netbsd-elf.h: Likewise.
4992         * config/sh/predicates.md: Likewise.
4993         * config/sh/sh-c.c: Likewise.
4994         * config/sh/sh-protos.h: Likewise.
4995         * config/sh/sh.c: Likewise.
4996         * config/sh/sh.h: Likewise.
4997         * config/sh/sh.md: Likewise.
4998         * config/sh/sh.opt: Likewise.
4999         * config/sh/sync.md: Likewise.
5000         * config/sh/sh64.h: Delete.
5001         * config/sh/shmedia.h: Likewise.
5002         * config/sh/shmedia.md: Likewise.
5003         * config/sh/sshmedia.h: Likewise.
5004         * config/sh/t-netbsd-sh5-64: Likewise.
5005         * config/sh/t-sh64: Likewise.
5006         * config/sh/ushmedia.h: Likewise.
5007
5008 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
5009
5010         * config/i386/i386.md (sign_extend to memory peephole2s): Use
5011         general_reg_operand instead of register_operand predicate.
5012
5013 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5014
5015         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
5016
5017 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
5018
5019         * match.pd (A - B > A, A + B < A): New transformations.
5020
5021 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
5022
5023         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
5024         which defaults to true.  Emit an outer pair of parentheses only if
5025         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
5026         don't emit parentheses for the right-hand operand.
5027
5028 2016-04-27  Jeff Law  <law@redhat.com>
5029
5030         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
5031
5032 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5033
5034         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
5035         (altivec_lvx_<mode>_internal): Document.
5036         (altivec_lvx_<mode>_2op): New define_insn.
5037         (altivec_lvx_<mode>_1op): Likewise.
5038         (altivec_lvx_<mode>_2op_si): Likewise.
5039         (altivec_lvx_<mode>_1op_si): Likewise.
5040         (altivec_stvx_<mode>): Remove.
5041         (altivec_stvx_<mode>_internal): Document.
5042         (altivec_stvx_<mode>_2op): New define_insn.
5043         (altivec_stvx_<mode>_1op): Likewise.
5044         (altivec_stvx_<mode>_2op_si): Likewise.
5045         (altivec_stvx_<mode>_1op_si): Likewise.
5046         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5047         Expand vec_ld and vec_st during parsing.
5048         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
5049         changes.
5050         (altivec_expand_stvx_be): Likewise.
5051         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
5052         address-masking behavior in RTL.
5053         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
5054         address-masking behavior in RTL.
5055         (altivec_expand_builtin): Change builtin code arguments for calls
5056         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
5057         (insn_is_swappable_p): Avoid incorrect swap optimization in the
5058         presence of lvx/stvx patterns.
5059         (alignment_with_canonical_addr): New function.
5060         (alignment_mask): Likewise.
5061         (find_alignment_op): Likewise.
5062         (recombine_lvx_pattern): Likewise.
5063         (recombine_stvx_pattern): Likewise.
5064         (recombine_lvx_stvx_patterns): Likewise.
5065         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
5066         stvx patterns from expand.
5067         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
5068         expansions.
5069         (vector_altivec_store_<mode>): Likewise.
5070
5071 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
5072
5073         * config/aarch64/aarch64.md
5074         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
5075         remove the "fp" attributes.
5076         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
5077         add the "simd" attributes.
5078         (*movdf_aarch64): Likewise.
5079         (*movtf_aarch64): Remove the "fp" attributes.
5080         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
5081         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
5082
5083 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5084
5085         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
5086         rtx to rtx_code_label *.
5087         * rtl.h (maybe_set_first_label_num): Likewise.
5088
5089 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5090
5091         * df-core.c (df_add_problem): Make the problem param be const.
5092         (df_remove_problem): Make local "problem" be const.
5093         * df-problems.c (problem_RD): Make const.
5094         (problem_LR): Likewise.
5095         (problem_LIVE): Likewise.
5096         (problem_MIR): Likewise.
5097         (problem_CHAIN): Likewise.
5098         (problem_WORD_LR): Likewise.
5099         (problem_NOTE): Likewise.
5100         (problem_MD): Likewise.
5101         * df-scan.c (problem_SCAN): Likewise.
5102         * df.h (struct df_problem): Make field "dependent_problem" be
5103         const.
5104         (struct dataflow): Likewise for field "problem".
5105         (df_add_problem): Make param const.
5106
5107 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
5108
5109         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
5110         inter-unit moves to/from vector registers are enabled.  Do not disable
5111         for TARGET_MMX.
5112
5113 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5114
5115         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
5116         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
5117         #define to...
5118         (enum df_problem_id): ...this new enum.
5119         (struct df_problem): Convert field "id" from "int" to
5120         enum df_problem_id.
5121
5122 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5123
5124         * rtl.def: Update comment for "things in the instruction chain" to
5125         reflect the removal of the leading "i" field for INSN_UID in
5126         r210360.  Fix bogus apostrophe.
5127
5128 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
5129
5130         * config/i386/i386.md
5131         (lea arith with mem operand + setcc peephole2): Set operator mode.
5132
5133 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5134
5135         PR target/70155
5136         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
5137         (dimode_scalar_to_vector_candidate_p): This.
5138         (timode_scalar_to_vector_candidate_p): New function.
5139         (scalar_to_vector_candidate_p): Likewise.
5140         (timode_check_non_convertible_regs): Likewise.
5141         (timode_remove_non_convertible_regs): Likewise.
5142         (remove_non_convertible_regs): Likewise.
5143         (remove_non_convertible_regs): Renamed to ...
5144         (dimode_remove_non_convertible_regs): This.
5145         (scalar_chain::~scalar_chain): Make it virtual.
5146         (scalar_chain::compute_convert_gain): Make it pure virtual.
5147         (scalar_chain::mark_dual_mode_def): Likewise.
5148         (scalar_chain::convert_insn): Likewise.
5149         (scalar_chain::convert_registers): Likewise.
5150         (scalar_chain::add_to_queue): Make it protected.
5151         (scalar_chain::emit_conversion_insns): Likewise.
5152         (scalar_chain::replace_with_subreg): Likewise.
5153         (scalar_chain::replace_with_subreg_in_insn): Likewise.
5154         (scalar_chain::convert_op): Likewise.
5155         (scalar_chain::convert_reg): Likewise.
5156         (scalar_chain::make_vector_copies): Likewise.
5157         (scalar_chain::convert_registers): New pure virtual function.
5158         (class dimode_scalar_chain): New class.
5159         (class timode_scalar_chain): Likewise.
5160         (scalar_chain::mark_dual_mode_def): Renamed to ...
5161         (dimode_scalar_chain::mark_dual_mode_def): This.
5162         (timode_scalar_chain::mark_dual_mode_def): New function.
5163         (timode_scalar_chain::convert_insn): Likewise.
5164         (dimode_scalar_chain::convert_registers): Likewise.
5165         (scalar_chain::compute_convert_gain): Renamed to ...
5166         (dimode_scalar_chain::compute_convert_gain): This.
5167         (scalar_chain::replace_with_subreg): Renamed to ...
5168         (dimode_scalar_chain::replace_with_subreg): This.
5169         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
5170         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
5171         (scalar_chain::make_vector_copies): Renamed to ...
5172         (dimode_scalar_chain::make_vector_copies): This.
5173         (scalar_chain::convert_reg): Renamed to ...
5174         (dimode_scalar_chain::convert_reg ): This.
5175         (scalar_chain::convert_op): Renamed to ...
5176         (dimode_scalar_chain::convert_op): This.
5177         (scalar_chain::convert_insn): Renamed to ...
5178         (dimode_scalar_chain::convert_insn): This.
5179         (scalar_chain::convert): Call convert_registers.
5180         (convert_scalars_to_vector): Change to scalar_chain pointer to
5181         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
5182         in 32-bit mode.  Delete scalar_chain pointer.  Call
5183         free_dominance_info in 64-bit mode.
5184         (pass_stv::gate): Remove TARGET_64BIT check.
5185         (ix86_option_override): Put the 64-bit STV pass before the CSE
5186         pass.
5187
5188 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
5189
5190         * dwarf2out.h (struct dw_loc_descr_node): Remove the
5191         dw_loc_frame_offset field.
5192         * dwarf2out.c (new_loc_descr): Likewise.
5193         (resolve_args_picking_1): Turn the VISITED hash set into a
5194         FRAME_OFFSET hash map. Use it to associate a frame offset to
5195         visited nodes. Remove uses of the CHECKING_P macro.
5196         (resolve_args_picking): Update call to resolve_args_picking_1.
5197
5198 2016-04-27  Martin Liska  <mliska@suse.cz>
5199
5200         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
5201         (free_loop_data): Release vuses of groups.
5202
5203 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
5204
5205         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
5206         instead of redundant use_id and boolean have_use_for.
5207         (struct iv_use): Change sub_id into group_id.  Remove field next.
5208         Move fields: related_cands, n_map_members, cost_map and selected
5209         to ...
5210         (struct iv_group): ... here.  New structure.
5211         (struct iv_common_cand): Use structure declaration directly.
5212         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
5213         (MAX_CONSIDERED_USES): Rename macro to ...
5214         (MAX_CONSIDERED_GROUPS): ... here.
5215         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
5216         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
5217         (dump_uses): Rename to ...
5218         (dump_groups): ... here.  Update all uses.
5219         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
5220         (find_induction_variables): Refactor format of dump information.
5221         (record_sub_use): Delete.
5222         (record_use): Update all uses.
5223         (record_group): New function.
5224         (record_group_use, find_interesting_uses_op): Call above functions.
5225         Update all uses.
5226         (find_interesting_uses_cond): Ditto.
5227         (group_compare_offset): New function.
5228         (split_all_small_groups): Rename to ...
5229         (split_small_address_groups_p): ... here.  Update all uses.
5230         (split_address_groups):  Update all uses.
5231         (find_interesting_uses): Refactor format of dump information.
5232         (add_candidate_1): Update all uses.  Remove redundant check on iv,
5233         base and step.
5234         (add_candidate, record_common_cand): Remove redundant assert.
5235         (add_iv_candidate_for_biv): Update use.
5236         (add_iv_candidate_derived_from_uses): Update all uses.
5237         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
5238         (alloc_use_cost_map): Ditto.
5239         (set_use_iv_cost, get_use_iv_cost): Rename to ...
5240         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
5241         (determine_use_iv_cost_generic): Ditto.
5242         (determine_group_iv_cost_generic): Ditto.
5243         (determine_use_iv_cost_address): Ditto.
5244         (determine_group_iv_cost_address): Ditto.
5245         (determine_use_iv_cost_condition): Ditto.
5246         (determine_group_iv_cost_cond): Ditto.
5247         (determine_use_iv_cost): Ditto.
5248         (determine_group_iv_cost): Ditto.
5249         (set_autoinc_for_original_candidates): Update all uses.
5250         (find_iv_candidates): Update all uses.  Refactor dump information.
5251         (determine_use_iv_costs): Ditto.
5252         (determine_iv_costs): Ditto.
5253         (iv_ca_cand_for_use): Rename to ...
5254         (iv_ca_cand_for_group): ... here.  Update all uses.
5255         (iv_ca_add_use, iv_ca_add_group): Ditto.
5256         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
5257         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
5258         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
5259         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
5260         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
5261         (create_new_iv, adjust_iv_update_pos): Ditto.
5262         (rewrite_use_address): Delete.
5263         (rewrite_use_address_1): Rename to ...
5264         (rewrite_use_address): ... here.
5265         (rewrite_use_compare): Update all uses.
5266         (rewrite_use): Delete.
5267         (rewrite_uses): Rename to ...
5268         (rewrite_groups): ... here.  Update all uses.
5269         (remove_unused_ivs, free_loop_data): Update all uses.
5270         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
5271
5272 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5273
5274         * rtlanal.c (nonzero_bits1): Convert preprocessor check
5275         for WORD_REGISTER_OPERATIONS to runtime check.
5276
5277 2016-04-27  Richard Biener  <rguenther@suse.de>
5278
5279         PR ipa/70760
5280         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
5281         aggregate_value_p to determine if a function result is
5282         returned by reference.
5283         (ipa_pta_execute): Functions having their address taken are
5284         not automatically nonlocal.
5285
5286 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
5287
5288         PR sanitizer/70683
5289         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
5290         * fold-const.c (operand_equal_p): If flag_checking and
5291         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
5292         and if it returns non-zero, assert iterative_hash_expr on both
5293         args is the same.
5294
5295 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
5296
5297         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
5298
5299 2016-04-27  Nick Clifton  <nickc@redhat.com>
5300
5301         PR middle-end/49889
5302         * varasm.c (merge_weak): Generate an error if an attempt is made
5303         to convert a non-weak static function into a weak, public function.
5304
5305 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5306
5307         * params.def (MAX_PARTITION_SIZE): New param.
5308         * doc/invoke.texi: Document lto-max-partition.
5309
5310 2016-04-27  Richard Biener  <rguenther@suse.de>
5311
5312         PR ipa/70785
5313         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
5314         function cummulating used_from_other_partition, externally_visible
5315         and force_output from aliases.
5316         (refered_from_nonlocal_var): Likewise.
5317         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
5318         node flags properly.
5319
5320 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
5321
5322         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
5323         (-Wmemset-elt-size): New item.
5324
5325 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
5326
5327         PR ada/70759
5328         * stor-layout.h (internal_reference_types): Delete.
5329         * stor-layout.c (reference_types_internal): Likewise.
5330         (internal_reference_types): Likewise.
5331         (layout_type) <REFERENCE_TYPE>: Adjust.
5332
5333 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
5334
5335         PR sanitizer/70683
5336         * tree.h (inchash::add_expr): Add FLAGS argument.
5337         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
5338         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
5339         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
5340         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
5341         if swap_tree_comparison (code) is smaller than code, hash that
5342         and arguments in the other order.  Hash CONVERT_EXPR the same
5343         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
5344         of ADDR_EXPR of decl as the decl itself.  Add or remove
5345         OEP_ADDRESS_OF from recursive flags as needed.  For
5346         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
5347         operands commutatively and only the third one normally.
5348         For internal CALL_EXPR hash in CALL_EXPR_IFN.
5349
5350 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
5351
5352         * config/rtems.h (LIB_SPEC): Add -latomic.
5353
5354 2016-04-27  Joel Sherrill  <joel@rtems.org>
5355
5356         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
5357         xilink.ld and flags not relevant to RTEMS.
5358
5359 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
5360
5361         * toplev.c (backend_init_target): Avoid calling init_reload when using
5362         LRA.
5363
5364 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
5365
5366         * reorg.c (try_merge_delay_insns): Declare i and j inside the
5367         for loops rather than one for the whole function.
5368
5369 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
5370
5371         * match.pd (X + CST CMP X): New transformation.
5372
5373 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
5374
5375         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
5376         * fold-const.c (fold_binary_loc): Remove 2 transformations
5377         superseded by match.pd.
5378         * match.pd (x+x -> x*2): Generalize to integers.
5379
5380 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
5381
5382         * config/i386/i386.md (operation on memory peephole): Duplicate an
5383         existing peephole and adapt it to match lea rather than an operation
5384         that clobbers CC.
5385
5386         PR rtl-optimization/57193
5387         * opts.c (default_options_table): Add OPT_frename_registers at -O2
5388         and above.
5389         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
5390
5391 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
5392
5393         * tree-if-conv.c (any_pred_load_store): New static variable.
5394         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
5395         any_pred_load_store instead of and_mask_load_store.
5396         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
5397         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
5398         (combine_blocks, tree_if_conversion): Ditto.
5399
5400 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
5401
5402         PR tree-optimization/70771
5403         PR tree-optimization/70775
5404         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
5405         virtual PHI nodes.  Delete parameter.
5406         (if_convertible_loop_p_1): Delete argument to above function.
5407         (predicate_all_scalar_phis): Delete code handling single-argument
5408         PHIs.
5409         (tree_if_conversion): Mark and update virtual SSA.
5410
5411 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5412
5413         PR target/61821
5414         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
5415         (x86_elf_aligned_common): Rename to ...
5416         (x86_elf_aligned_decl_common): ... this.
5417         Add decl arg.  Switch to .lbss for largecomm object.  Use
5418         LARGECOMM_SECTION_ASM_OP.
5419         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
5420         renaming.
5421         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
5422         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
5423         Pass new decl arg.
5424         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5425         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
5426
5427 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5428
5429         PR target/59407
5430         * config/i386/i386.c (SECTION_LARGE): Define.
5431         (x86_64_elf_select_section): Set it for large data/bss sections.
5432         Only clear SECTION_WRITE for .lrodata.
5433         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
5434         data/bss sections.
5435         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
5436         * varasm.c (default_elf_asm_named_section): Grow flagchars.
5437         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
5438         SECTION_MACH_DEP.
5439         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
5440         * doc/tm.texi: Regenerate.
5441
5442 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
5443
5444         PR bootstrap/70704
5445         * configure.ac (--enable-checking): Document extra flag, for
5446         non-release builds default to --enable-checking=yes,extra.
5447         If misc checking and extra checking, define CHECKING_P to 2 instead
5448         of 1.
5449         * common.opt (fchecking=): Add.
5450         * doc/invoke.texi (-fchecking=): Document.
5451         * doc/install.texi: Document --enable-checking changes.
5452         * configure: Regenerated.
5453         * config.in: Regenerated.
5454
5455 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5456
5457         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
5458         attribute instead of which_alternative.
5459         * config/i386/sse.md (*mov<mode>_internal): Ditto.
5460         Use EXT_REX_SSE_REG_P where appropriate.
5461
5462 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5463
5464         * config/i386/predicates.md (const0_operand): Do not match
5465         const_wide_int code.
5466         (const1_operand): Ditto.
5467
5468 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5469
5470         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
5471         for SSE constm1 operands and TARGET_AVX512VL.
5472         (*movti_internal): Ditto.
5473         (*mov<mode>_or): Use constm1_operand predicate.
5474         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
5475         for SSE vector_all_ones operands and TARGET_AVX512VL.
5476         * config/i386/predicates.md (constm1_operand): New predicate.
5477         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
5478         emission of constant -1 load.
5479
5480 2016-04-25  Jason Merrill  <jason@redhat.com>
5481
5482         * gdbinit.in: Skip is-a.h.
5483
5484         * attribs.c (register_scoped_attributes): Fix logic.
5485         * attribs.h: Declare register_scoped_attributes.
5486
5487 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5488
5489         * config/rs6000/rs6000-builtin.def: Correct pasto error for
5490         stxvd2x and stxvw4x built-in functions.
5491
5492 2016-04-25  DJ Delorie  <dj@redhat.com>
5493
5494         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
5495         (ashrhi3): Likewise.
5496         (lshrhi3): Likewise.
5497
5498 2016-04-25  Richard Biener  <rguenther@suse.de>
5499
5500         PR tree-optimization/70780
5501         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
5502         wasn't visited yet.
5503         (compute_antic): Mark blocks with abnormal preds as visited as
5504         they have a final empty antic-in solution already.
5505
5506 2016-04-25  Michael Collison  <michael.collison@linaro.org>
5507
5508         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
5509
5510 2016-04-25  Michael Collison  <michael.collison@linaro.org>
5511
5512         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
5513         mode is VQI to improve mixed mode vectorization.
5514         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
5515         define_insn to match low half of signed vaddw.
5516         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
5517         define_insn to match high half of signed vaddw.
5518         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
5519         define_insn to match low half of unsigned vaddw.
5520         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
5521         define_insn to match high half of unsigned vaddw.
5522         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
5523         (arm_simd_check_vect_par_cnst_half_p): Likewise.
5524         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
5525         for new function.
5526         (arm_simd_check_vect_par_cnst_half_p): Likewise.
5527         * config/arm/predicates.md (vect_par_constant_high): Support
5528         big endian and simplify by calling
5529         arm_simd_check_vect_par_cnst_half
5530         (vect_par_constant_low): Likewise.
5531
5532 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5533
5534         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
5535         predicate for operand 2.
5536
5537 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
5538             H.J. Lu  <hongjiu.lu@intel.com>
5539
5540         * config/i386/i386-protos.h (standard_sse_constant_p): Add
5541         machine_mode argument.
5542         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
5543         constm1_rtx operands.  For VOIDmode constants, get mode from
5544         pred_mode.  Check mode size if the mode is supported by ABI.
5545         (standard_sse_constant_opcode): Do not use standard_constant_p.
5546         Strictly check ABI support for all-ones operands.
5547         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
5548         immediates. Update calls to standard_sse_constant_p.
5549         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
5550         (ix86_rtx_costs): Ditto.
5551         * config/i386/i386.md (*movxi_internal_avx512f): Use
5552         nonimmediate_or_sse_const_operand instead of vector_move_operand.
5553         Use (v,BC) alternative instead of (v,C). Use register_operand
5554         checks instead of MEM_P.
5555         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
5556         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
5557         isa attribute.  Use register_operand checks instead of MEM_P.
5558         (*movti_internal): Use nonimmediate_or_sse_const_operand for
5559         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
5560         alternative and corresponding sse2 isa attribute.
5561         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
5562         to standard_sse_constant_p.
5563         (FP constant splitters): Ditto.
5564         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
5565         (C): Ditto.
5566         * config/i386/predicates.md (constm1_operand): Remove.
5567         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
5568         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
5569         vector_all_ones_operand instead of constm1_operand.
5570
5571 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5572
5573         * print-rtl.c (print_rtx_insn_vec): New function.
5574         * print-rtl.h: New prototype.
5575         * store-motion.c (struct st_expr): Make avail_stores a vector.
5576         (st_expr_entry): Adjust.
5577         (free_st_expr_entry): Likewise.
5578         (print_store_motion_mems): Likewise.
5579         (find_moveable_store): Likewise.
5580         (compute_store_table): Likewise.
5581         (delete_store): Likewise.
5582         (build_store_vectors): Likewise.
5583
5584 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5585
5586         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
5587
5588 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5589
5590         * vec.h (vec_safe_contains): New function.
5591         (vec::contains): Likewise.
5592         (vec::begin): Likewise.
5593         (vec::end): Likewise.
5594
5595 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
5596
5597         PR sanitizer/70712
5598         * cfgexpand.c (expand_stack_vars): Fix typo.
5599
5600 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
5601
5602         * system.h (list, map, set, vector): Include conditionally.
5603         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
5604         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
5605         * ipa-icf.c (INCLUDE_LIST): Define.
5606         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
5607         * config/sh/sh.c (INCLUDE_VECTOR): Define.
5608         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
5609         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
5610         * cp/logic.cc (INCLUDE_LIST): Define.
5611         * fortran/trans-common.c (INCLUDE_MAP): Define.
5612
5613 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
5614
5615         * auto-profile.c: Remove <string.h> include.
5616         * ipa-icf-gimple.c: Remove <list> include.
5617         * diagnostic.c: Remove <new> include.
5618         * genmatch.c: Likewise.
5619         * pretty-print.c: Likewise.
5620         * toplev.c: Likewise
5621         * c/c-objc-common.c: Likewise.
5622         * cp/error.c: Likewise.
5623         * fortran/error.c: Likewise.
5624
5625 2016-04-22  Richard Biener  <rguenther@suse.de>
5626
5627         * lto-streamer-in.c (input_ssa_names): Do not allocate
5628         GIMPLE_NOP for all SSA names.
5629         * lto-streamer-out.c (output_ssa_names): Do not output
5630         SSA names that should have been released.
5631
5632 2016-04-22  Richard Biener  <rguenther@suse.de>
5633
5634         PR tree-optimization/70740
5635         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
5636         VDEF.
5637
5638 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
5639
5640         PR target/70750
5641         * config/i386/predicates.md (call_insn_operand): Replace
5642         sibcall_memory_operand with memory_operand.
5643
5644 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
5645
5646         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
5647         has_single_use() tests.
5648         (register_edge_assert_for_1): Likewise.
5649         (find_assert_locations_1): Check the liveness bitmap instead of
5650         checking has_single_use().
5651
5652 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
5653
5654         PR target/70728
5655         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
5656         Extract AVX-512BW constraint from AVX.
5657
5658 2016-04-21  Richard Biener  <rguenther@suse.de>
5659
5660         PR tree-optimization/70725
5661         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
5662         for phi_convertible_by_degenerating_args.
5663         (predicate_all_scalar_phis): Handle single-argument PHIs.
5664
5665 2016-04-21  Richard Biener  <rguenther@suse.de>
5666
5667         PR middle-end/70747
5668         * fold-const.c (fold_comparison): Return properly typed
5669         constant boolean.
5670
5671 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
5672
5673         PR tree-optimization/70715
5674         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
5675         after expanding BASE using expand_simple_operations.
5676
5677 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
5678
5679         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
5680         New transformations.
5681
5682 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
5683
5684         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
5685
5686 2016-04-20  Jan Hubicka  <jh@suse.cz>
5687
5688         * ipa-inline.c (can_inline_edge_p): Pass caller info to
5689         ultiimate_alias_target.
5690         (update_callee_keys): Likewise.
5691         (lookup_recursive_calls): Likewise.
5692         (speculation_useful_p): Likewise.
5693
5694 2016-04-20  Jan Hubicka  <jh@suse.cz>
5695
5696         PR ipa/70018
5697         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
5698         (set_nothrow_flag_1): ... this; handle interposition correctly;
5699         recurse on aliases and thunks.
5700         (cgraph_node::set_nothrow_flag): New.
5701         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
5702         functions compiled with non-call exceptions that binds to current
5703         def.
5704         (propagate_nothrow): Be safe WRT interposition.
5705         * cgraph.h (set_nothrow_flag): Update prototype.
5706
5707 2016-04-18  Jan Hubicka  <jh@suse.cz>
5708
5709         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
5710         max_loop_iterations_int.
5711         (tree_unswitch_outer_loop): Likewise.
5712
5713 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5714
5715         PR tree-optimization/69489
5716         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
5717         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
5718         Revise dump message.
5719         (if_convertible_bb_p): Remove check on edge count of basic block's
5720         predecessors.
5721
5722 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5723
5724         PR tree-optimization/56625
5725         PR tree-optimization/69489
5726         * tree-data-ref.h (DR_INNERMOST): New macro.
5727         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
5728         hashing struct innermost_loop_behavior.
5729         (ref_DR_map): Remove.
5730         (innermost_DR_map): New map.
5731         (baseref_DR_map): Revise comment.
5732         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
5733         to innermost_DR_map accroding to its innermost loop behavior.
5734         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
5735         to its innermost loop behavior.
5736         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
5737         Add initialization for innermost_DR_map.  Record memory reference
5738         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
5739         have innermost loop behavior.
5740         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
5741         innermost_DR_map.
5742
5743 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
5744
5745         * config/i386/i386.md (*lea<mode>_general_1): Rename from
5746         *lea_general_1.  Use explicit SWI12 mode interator.
5747         (*lea<mode>_general_2): Rename from *lea_general_2.
5748         Use explicit SWI12 mode interator.
5749         (*lea<mode>_general_3): Rename from *lea_general_3.
5750         Use explicit SWI12 mode interator.
5751         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
5752         Use explicit SWI12 mode interator.
5753         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
5754         Use explicit SWI48 mode interator.
5755
5756 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
5757
5758         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
5759         Short-cut unaligned load and store cases.  Handle all integer
5760         vector modes.
5761         (ix86_expand_vector_move_misalign): Short-cut unaligned load
5762         and store cases.  Call ix86_avx256_split_vector_move_misalign
5763         directly without checking mode class.
5764
5765 2016-04-20  Andrew Pinski  <apinski@cavium.com>
5766             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5767
5768         PR target/64971
5769         * config/aarch64/aarch64.md (sibcall): Force call
5770         address to be DImode for ILP32.
5771         (sibcall_value): Likewise.
5772
5773 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
5774
5775         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
5776
5777 2016-04-20  Richard Biener  <rguenther@suse.de>
5778
5779         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
5780         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
5781         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
5782         (maybe_push_res_to_seq): Adjust.
5783         * gimple-fold.c (maybe_build_generic_op): Likewise.
5784
5785 2016-04-20  Marek Polacek  <polacek@redhat.com>
5786
5787         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
5788         rather than true.
5789
5790 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
5791
5792         * config/i386/sse.md (vec_unpacks_lo_hi): Always
5793         use kmovw to support AVX512F target.
5794
5795 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5796
5797         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
5798
5799 2016-04-20  Marek Polacek  <polacek@redhat.com>
5800
5801         PR tree-optimization/70725
5802         * tree-if-conv.c (is_false_predicate): New function.
5803         (predicate_mem_writes): Use it.
5804
5805 2016-04-20  Richard Biener  <rguenther@suse.de>
5806
5807         PR tree-optimization/70726
5808         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
5809         shift amounts from a pattern stmt operand.
5810
5811 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5812
5813         PR target/70674
5814         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
5815         stack_restore_from_fpr pattern when restoring r15.
5816         (s390_optimize_prologue): Strip away the memory barrier in the
5817         parallel when trying to get rid of restore insns.
5818         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
5819         definition for loading the stack pointer from an FPR.  Compared to
5820         the normal move insn this pattern includes a full memory barrier.
5821
5822 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
5823
5824         PR middle-end/70680
5825         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
5826         implicitly linear or lastprivate iterator on the outer context.
5827
5828 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
5829
5830         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
5831         alignment check.
5832         * config/i386/i386.md (ssememalign): Removed.
5833         * config/i386/sse.md: Remove ssememalign attribute from patterns.
5834
5835 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
5836
5837         PR target/69201
5838         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
5839         const short * to __builtin_ia32_loaddquhi512_mask.
5840         (_mm512_maskz_loadu_epi16): Likewise.
5841         (_mm512_mask_storeu_epi16): Pass short * to
5842         __builtin_ia32_storedquhi512_mask.
5843         (_mm512_mask_loadu_epi8): Pass const char * to
5844         __builtin_ia32_loaddquqi512_mask.
5845         (_mm512_maskz_loadu_epi8): Likewise.
5846         (_mm512_mask_storeu_epi8): Pass char * to
5847         __builtin_ia32_storedquqi512_mask.
5848         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
5849         const double * to __builtin_ia32_loadupd512_mask.
5850         (_mm512_mask_loadu_pd): Likewise.
5851         (_mm512_maskz_loadu_pd): Likewise.
5852         (_mm512_storeu_pd): Pass double * to
5853         __builtin_ia32_storeupd512_mask.
5854         (_mm512_mask_storeu_pd): Likewise.
5855         (_mm512_loadu_ps): Pass const float * to
5856         __builtin_ia32_loadups512_mask.
5857         (_mm512_mask_loadu_ps): Likewise.
5858         (_mm512_maskz_loadu_ps): Likewise.
5859         (_mm512_storeu_ps): Pass float * to
5860         __builtin_ia32_storeups512_mask.
5861         (_mm512_mask_storeu_ps): Likewise.
5862         (_mm512_mask_loadu_epi64): Pass const long long * to
5863         __builtin_ia32_loaddqudi512_mask.
5864         (_mm512_maskz_loadu_epi64): Likewise.
5865         (_mm512_mask_storeu_epi64): Pass long long *
5866         to __builtin_ia32_storedqudi512_mask.
5867         (_mm512_loadu_si512): Pass const int * to
5868         __builtin_ia32_loaddqusi512_mask.
5869         (_mm512_mask_loadu_epi32): Likewise.
5870         (_mm512_maskz_loadu_epi32): Likewise.
5871         (_mm512_storeu_si512): Pass int * to
5872         __builtin_ia32_storedqusi512_mask.
5873         (_mm512_mask_storeu_epi32): Likewise.
5874         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
5875         char * to __builtin_ia32_storedquqi256_mask.
5876         (_mm_mask_storeu_epi8): Likewise.
5877         (_mm256_mask_loadu_epi16): Pass const short * to
5878         __builtin_ia32_loaddquhi256_mask.
5879         (_mm256_maskz_loadu_epi16): Likewise.
5880         (_mm_mask_loadu_epi16): Pass const short * to
5881         __builtin_ia32_loaddquhi128_mask.
5882         (_mm_maskz_loadu_epi16): Likewise.
5883         (_mm256_mask_loadu_epi8): Pass const char * to
5884         __builtin_ia32_loaddquqi256_mask.
5885         (_mm256_maskz_loadu_epi8): Likewise.
5886         (_mm_mask_loadu_epi8): Pass const char * to
5887         __builtin_ia32_loaddquqi128_mask.
5888         (_mm_maskz_loadu_epi8): Likewise.
5889         (_mm256_mask_storeu_epi16): Pass short * to.
5890         __builtin_ia32_storedquhi256_mask.
5891         (_mm_mask_storeu_epi16): Pass short * to.
5892         __builtin_ia32_storedquhi128_mask.
5893         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
5894         const double * to __builtin_ia32_loadupd256_mask.
5895         (_mm256_maskz_loadu_pd): Likewise.
5896         (_mm_mask_loadu_pd): Pass onst double * to
5897         __builtin_ia32_loadupd128_mask.
5898         (_mm_maskz_loadu_pd): Likewise.
5899         (_mm256_mask_storeu_pd): Pass double * to
5900         __builtin_ia32_storeupd256_mask.
5901         (_mm_mask_storeu_pd): Pass double * to
5902         __builtin_ia32_storeupd128_mask.
5903         (_mm256_mask_loadu_ps): Pass const float * to
5904         __builtin_ia32_loadups256_mask.
5905         (_mm256_maskz_loadu_ps): Likewise.
5906         (_mm_mask_loadu_ps): Pass const float * to
5907         __builtin_ia32_loadups128_mask.
5908         (_mm_maskz_loadu_ps): Likewise.
5909         (_mm256_mask_storeu_ps): Pass float * to
5910         __builtin_ia32_storeups256_mask.
5911         (_mm_mask_storeu_ps): ass float * to
5912         __builtin_ia32_storeups128_mask.
5913         (_mm256_mask_loadu_epi64): Pass const long long * to
5914         __builtin_ia32_loaddqudi256_mask.
5915         (_mm256_maskz_loadu_epi64): Likewise.
5916         (_mm_mask_loadu_epi64): Pass const long long * to
5917         __builtin_ia32_loaddqudi128_mask.
5918         (_mm_maskz_loadu_epi64): Likewise.
5919         (_mm256_mask_storeu_epi64): Pass long long * to
5920         __builtin_ia32_storedqudi256_mask.
5921         (_mm_mask_storeu_epi64): Pass long long * to
5922         __builtin_ia32_storedqudi128_mask.
5923         (_mm256_mask_loadu_epi32): Pass const int * to
5924         __builtin_ia32_loaddqusi256_mask.
5925         (_mm256_maskz_loadu_epi32): Likewise.
5926         (_mm_mask_loadu_epi32): Pass const int * to
5927         __builtin_ia32_loaddqusi128_mask.
5928         (_mm_maskz_loadu_epi32): Likewise.
5929         (_mm256_mask_storeu_epi32): Pass int * to
5930         __builtin_ia32_storedqusi256_mask.
5931         (_mm_mask_storeu_epi32): Pass int * to
5932         __builtin_ia32_storedqusi128_mask.
5933         * config/i386/i386-builtin-types.def (PCSHORT): New.
5934         (PINT64): Likewise.
5935         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
5936         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
5937         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
5938         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
5939         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
5940         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
5941         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
5942         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
5943         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
5944         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
5945         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
5946         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
5947         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
5948         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
5949         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
5950         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
5951         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
5952         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
5953         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
5954         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
5955         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
5956         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
5957         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
5958         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
5959         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
5960         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
5961         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
5962         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
5963         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
5964         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
5965         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
5966         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
5967         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
5968         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
5969         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
5970         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
5971         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
5972         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
5973         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
5974         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
5975         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
5976         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
5977         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
5978         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
5979         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
5980         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
5981         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
5982         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
5983         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
5984         use UNSPEC_STOREU.
5985         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
5986         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
5987         load nor store.
5988         (ix86_expand_vector_move_misalign): Likewise.
5989         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
5990         to scalar function prototype for unaligned load/store builtins.
5991         (ix86_expand_special_args_builtin): Updated.
5992         * config/i386/sse.md (UNSPEC_LOADU): Removed.
5993         (UNSPEC_STOREU): Likewise.
5994         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
5995         (VI_ULOADSTORE_F_AVX512VL): Likewise.
5996         (ssescalarsize): Handle V4TI, V2TI and V1TI.
5997         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
5998         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
5999         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
6000         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
6001         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
6002         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
6003         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
6004         (<avx512>_storedqu<mode>_mask): Likewise.
6005         (*sse4_2_pcmpestr_unaligned): Likewise.
6006         (*sse4_2_pcmpistr_unaligned): Likewise.
6007         (*mov<mode>_internal): Renamed to ...
6008         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
6009         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
6010         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
6011         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
6012
6013 2016-04-19  Richard Biener  <rguenther@suse.de>
6014
6015         PR tree-optimization/70171
6016         * tree-ssa-phiprop.c: Include stor-layout.h.
6017         (phiprop_insert_phi): Handle the aggregate copy case.
6018         (propagate_with_phi): Likewise.
6019
6020 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
6021
6022         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
6023         instead of simplify_gen_subreg (... , 0).
6024         (ix86_delegitimize_address): Ditto.
6025         (ix86_split_divmod): Ditto.
6026         (ix86_split_copysign_const): Ditto.
6027         (ix86_split_copysign_var): Ditto.
6028         (ix86_expand_args_builtin): Ditto.
6029         (ix86_expand_round_builtin): Ditto.
6030         (ix86_expand_special_args_builtin): Ditto.
6031         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
6032         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
6033         (udivmodqi4): Ditto.
6034         (absneg splitters): Ditto.
6035         (*jcc_bt<mode>_1): Ditto.
6036
6037 2016-04-19  Richard Biener  <rguenther@suse.de>
6038
6039         PR tree-optimization/70724
6040         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
6041         restoring out from ...
6042         (free_scc_vn): ... here.
6043         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
6044         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
6045         tail merging.
6046         (pass_fre::execute): Restore SSA info.
6047
6048 2016-04-19  Richard Biener  <rguenther@suse.de>
6049
6050         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
6051         * gimple-walk.c (walk_gimple_op): Initialize it.
6052         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
6053         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
6054         remapping SSA names of defs.
6055         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
6056         adjustment.
6057
6058 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
6059
6060         PR middle-end/70689
6061         * lra-constraints.c (equiv_substition_p): New.
6062         (process_alt_operands): Use it.
6063         (swap_operands): Swap it.
6064         (curr_insn_transform): Update it.
6065
6066 2016-04-18  Michael Matz  <matz@suse.de>
6067
6068         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
6069         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
6070         * tree-core.h (tree_type_common.align): Use bit-field.
6071         (tree_type_common.spare): New.
6072         (tree_decl_common.off_align): Make smaller.
6073         (tree_decl_common.align): Use bit-field.
6074
6075         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
6076         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
6077         (scan_sharing_clauses): Ditto.
6078         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
6079         (omp_finish_file): Ditto.
6080         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
6081         (layout_decl): Ditto.
6082         (relayout_decl): Ditto.
6083         (finalize_record_size): Use SET_TYPE_ALIGN.
6084         (finalize_type_size): Ditto.
6085         (finish_builtin_struct): Ditto.
6086         (layout_type): Ditto.
6087         (initialize_sizetypes): Ditto.
6088         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
6089         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
6090         (lookup_field_for_decl): Use SET_DECL_ALIGN.
6091         (get_chain_field): Ditto.
6092         (get_trampoline_type): Ditto.
6093         (get_nl_goto_field): Ditto.
6094         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
6095         SET_DECL_ALIGN.
6096         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
6097         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
6098         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
6099         (build_qualified_type): Use SET_TYPE_ALIGN.
6100         (build_aligned_type, build_range_type_1): Ditto.
6101         (build_atomic_base): Ditto.
6102         (build_common_tree_nodes): Ditto.
6103         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
6104         (expand_one_stack_var_at): Ditto.
6105         * coverage.c (build_var): Use SET_DECL_ALIGN.
6106         * except.c (init_eh): Ditto.
6107         * function.c (assign_parm_setup_block): Ditto.
6108         * symtab.c (increase_alignment_1): Ditto.
6109         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
6110         * tree-vect-stmts.c (ensure_base_align): Ditto.
6111         * varasm.c (align_variable): Ditto.
6112         (assemble_variable): Ditto.
6113         (build_constant_desc): Ditto.
6114         (output_constant_def_contents): Ditto.
6115
6116         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
6117         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
6118         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
6119         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
6120         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
6121
6122 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
6123
6124         PR target/70708
6125         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
6126         replace %vmovsd with "%vmovq".
6127         (vec_concatv2df): Likewise.
6128
6129 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
6130
6131         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
6132         (*vec_extractv2si_0): Ditto.
6133         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
6134         (zero_extended_scalar_load_operand splitters): Ditto.
6135         (vec_extract splitters): Ditto.
6136         (*vec_extractv4si_0_zext): Ditto.
6137         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
6138         and lowpart_subreg.
6139         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
6140         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
6141         (*sse4_1_extractps): Use lowpart_subreg.
6142         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
6143
6144 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6145
6146         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
6147         gld requirements.
6148         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
6149         Mention Solaris 11 packaging changes.
6150         Update gas and gld requirements.
6151         Remove reference to pre-Solaris 10 bug.
6152         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
6153         systems and bugs.
6154         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
6155         with cc.
6156
6157 2016-04-17  Jan Hubicka  <jh@suse.cz>
6158
6159         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
6160         max_loop_iterations_int.
6161
6162 2016-04-18  Richard Biener  <rguenther@suse.de>
6163
6164         PR tree-optimization/43434
6165         * tree-ssa-structalias.c (struct vls_data): New.
6166         (visit_loadstore): Handle all pointer-based accesses.
6167         (compute_dependence_clique): Compute a bitmap of restrict tags
6168         assigned bases and pass it to visit_loadstore.
6169
6170 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
6171
6172         PR target/70711
6173         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
6174         armv8.1-a and armv8.1-a+crc.
6175
6176 2016-04-18  Richard Biener  <rguenther@suse.de>
6177
6178         PR tree-optimization/70701
6179         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
6180         references after translating through a memcpy.
6181
6182 2016-04-18  Richard Biener  <rguenther@suse.de>
6183
6184         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
6185         (compute_antic): ... here.  For partial antic use regular
6186         postorder and scrap iteration.
6187         (compute_partial_antic_aux): Remove unused return value.
6188         (init_pre): Do not allocate postorder.
6189         (fini_pre): Do not free postorder.
6190
6191 2016-04-18  Richard Biener  <rguenther@suse.de>
6192
6193         PR middle-end/37870
6194         * expmed.c (extract_bit_field_1): Remove broken case
6195         using a wider MODE_INT mode.
6196
6197 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
6198
6199         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
6200         unless compiling with at least GCC-4.8.
6201
6202 2016-04-17  Jan Hubicka  <jh@suse.cz>
6203
6204         PR bootstrap/70706
6205         * graphite.c (graphite_finalize): Update call to
6206         tree_estimate_probability.
6207         * predict.h (tree_estimate_probability): Update prototype.
6208
6209 2016-04-17  Jan Hubicka  <jh@suse.cz>
6210
6211         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
6212         (tree_estimate_probability): Likewise.
6213         (pass_profile::execute): Update.
6214         (report_predictor_hitrates): New function.
6215         * profile.c (compute_branch_probabilities): Use it.
6216         * predict.h (report_predictor_hitrates): Declare.
6217
6218 2016-04-17  Jan Hubicka  <jh@suse.cz>
6219
6220         PR ipa/70018
6221         * cgraph.h (cgraph_node::set_const_flag,
6222         cgraph_node::set_pure_flag): Update prototype to return bool;
6223         update comment.
6224         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
6225         of interposable symbol are interposable, too.
6226         (cgraph_set_const_flag_1): Rename to ...
6227         (set_const_flag_1): ... this one; change to self recursive function
6228         instead of call_for_symbol_thunks_and_aliases. Handle correctly
6229         clearnig the flag in all variants and also virtual thunks of const
6230         functions are pure; track if any change was done.
6231         (cgraph_node::set_const_flag): Update.
6232         (struct set_pure_flag_info): New struct.
6233         (cgraph_set_pure_flag_1): Rename to ...
6234         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
6235         rather than pointer encoded flags; track if any changes was done;
6236         handle correctly clearning flag and setting flag of aliases already
6237         declared const.
6238         (cgraph_node::set_pure_flag): Update.
6239         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
6240
6241 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6242
6243         PR other/70433
6244         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
6245         backslash in label.
6246
6247 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6248
6249         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
6250         '{}<> ' as escape-for-record.
6251
6252 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6253
6254         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
6255         structure.
6256
6257 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6258
6259         PR other/70185
6260         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
6261         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
6262         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
6263         * passes.c (finish_optimization_passes): Only call
6264         finish_graph_dump_file if dfi->graph_dump_initialized.
6265         (execute_function_dump, pass_init_dump_file): Use
6266         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
6267
6268 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6269
6270         PR tree-optimization/70256
6271         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
6272         (debug_varmap): New function.
6273
6274 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6275
6276         PR other/70183
6277         * passes.c (pass_manager::register_pass): Propagate pflags.
6278
6279 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6280
6281         PR other/68875
6282         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
6283         * passes.c (pass_manager::pass_manager): Declare and init p_start in
6284         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
6285         check if it's equal to p_start.
6286         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
6287
6288 2016-04-15  Jan Hubicka  <jh@suse.cz>
6289
6290         PR ipa/70018
6291         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
6292         function does not bind to current def.
6293         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
6294         handle conservatively calls to functions that does not need to bind
6295         to current def.
6296         (check_call): Update call of worse_state.
6297         (ignore_edge_for_nothrow): Update.
6298         (ignore_edge_for_pure_const): Likewise.
6299         (propagate_pure_const): Update calls to worse_state.
6300         (skip_function_for_local_pure_const): Reformat comments.
6301
6302 2016-04-15  Jan Hubicka  <jh@suse.cz>
6303
6304         PR ipa/70018
6305         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
6306         (cgraph_node::function_symbol): Likewise.
6307         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
6308         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
6309         (symtab_node::ultimate_alias_target): Add REF parameter.
6310         (symtab_node::binds_to_current_def_p): Declare.
6311         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
6312         (cgraph_node::function_symbol): Likewise.
6313         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
6314         (cgraph_node::get_availability): Likewise.
6315         (cgraph_edge::binds_to_current_def_p): New inline function.
6316         (varpool_node::get_availability): Add REF parameter.
6317         (varpool_node::ultimate_alias_target): Likewise.
6318         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
6319         (symtab_node::binds_to_current_def_p): Likewise.
6320         * varpool.c (varpool_node::get_availability): Likewise.
6321
6322 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
6323
6324         PR target/70662
6325         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
6326         Fix mode size check.
6327
6328 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
6329
6330         * BASE-VER: Set to 7.0.0.
6331
6332 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
6333
6334         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
6335
6336 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6337
6338         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
6339         architecture revisions.
6340
6341 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
6342
6343         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
6344         * config/i386/i386.c (ix86_using_red_zone): No longer static.
6345         * config/i386/i386.md (stack decrement to push peepholes): Guard
6346         with !x86_using_red_zone ().
6347
6348 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
6349
6350         PR c++/70675
6351         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
6352         to dump_generic_node.
6353         (NIY): Pass also flags to do_niy.
6354
6355 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
6356
6357         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
6358         (simd_clone_vector_of_formal_parm_types)
6359         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
6360         (simd_clone_mangle, simd_clone_create)
6361         (simd_clone_adjust_return_type, create_tmp_simd_array)
6362         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
6363         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
6364         (ipa_simd_modify_function_body, simd_clone_linear_addend)
6365         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
6366         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
6367         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
6368         * omp-simd-clone.c: ... this new file.
6369         (simd_clone_vector_of_formal_parm_types): Make it static.
6370         * Makefile.in (OBJS): Add omp-simd-clone.o.
6371
6372 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
6373
6374         PR target/70662
6375         * config/i386/sse.md: Use proper memory operand modifiers.
6376
6377
6378 2016-04-15  Richard Biener  <rguenther@suse.de>
6379         Alan Modra  <amodra@gmail.com>
6380
6381         PR tree-optimization/70130
6382         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
6383         when alignment stays not the same and no not use the realign
6384         scheme then.
6385
6386 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
6387
6388         PR target/70669
6389         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
6390         direct move handlers for KFmode. Change TFmode handlers test from
6391         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
6392
6393 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
6394
6395         PR c++/70594
6396         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
6397         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
6398         (inlined_polymorphic_ctor_dtor_block_p): Use it.
6399         * tree-ssa-live.c (remove_unused_scope_block_p): When
6400         in_ctor_dtor_block, avoid discarding not just BLOCKs with
6401         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
6402         block_ultimate_origin is FUNCTION_DECL.
6403         (remove_unused_locals): If current_function_decl is
6404         polymorphic_ctor_dtor_p, pass initial true to
6405         remove_unused_scope_block_p' is_ctor_dtor_block.
6406
6407 2016-04-14  Martin Sebor  <msebor@redhat.com>
6408
6409         PR c++/69517
6410         PR c++/70019
6411         PR c++/70588
6412         * doc/extend.texi (Variable Length): Revert.
6413
6414 2016-04-14  Marek Polacek  <polacek@redhat.com>
6415             Jan Hubicka  <hubicka@ucw.cz>
6416
6417         PR c++/70029
6418         * tree.c (verify_type): Disable the canonical type of main variant
6419         check.
6420
6421 2016-04-14  Jason Merrill  <jason@redhat.com>
6422
6423         * cfgexpand.c, expr.c: Revert previous change.
6424
6425 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
6426
6427         PR middle-end/70643
6428         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
6429         when building a mem ref for the incoming reduction variable.
6430
6431 2016-04-14  Richard Biener  <rguenther@suse.de>
6432
6433         PR tree-optimization/70614
6434         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
6435         loop if the evolution dropped to chrec_dont_know.
6436         (interpret_condition_phi): Likewise.
6437
6438 2016-04-14  Richard Biener  <rguenther@suse.de>
6439
6440         PR tree-optimization/70623
6441         * tree-ssa-pre.c (changed_blocks): Make global ...
6442         (compute_antic): ... local here.  Move and fix worklist
6443         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
6444         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
6445         worklist handling, dump when ANTIC_IN changed.
6446         (compute_partial_antic_aux): Remove worklist handling.
6447         (init_pre): Do not compute post dominators.  Add a comment about
6448         the CFG order chosen.
6449         (fini_pre): Do not free post dominators.
6450
6451 2016-04-13  Martin Sebor  <msebor@redhat.com>
6452
6453         PR c++/69517
6454         PR c++/70019
6455         PR c++/70588
6456         * doc/extend.texi (Variable Length): Document C++ specifics.
6457
6458 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
6459
6460         PR c++/70641
6461         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
6462         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
6463         eh edges have been purged.
6464
6465         PR c++/70594
6466         * tree-sra.c (create_access_replacement,
6467         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
6468         gets fancy name.
6469         * tree-pretty-print.c (dump_fancy_name): New function.
6470         (dump_decl_name, dump_generic_node): Use it.
6471
6472 2016-04-13  Jason Merrill  <jason@redhat.com>
6473
6474         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
6475         * expr.c (expand_expr_real_1): Likewise.
6476
6477 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
6478
6479         * config/i386/i386.md (kunpckhi): Swap operands.
6480         (kunpcksi): Likewise.
6481         (kunpckdi): Likewise.
6482         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
6483         (vec_pack_trunc_<mode>): Likewise.
6484
6485 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
6486
6487         PR debug/70628
6488         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
6489
6490         PR middle-end/70633
6491         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
6492         gimplification turns some element into non-constant.
6493
6494         PR debug/70628
6495         * rtl.h (convert_memory_address_addr_space_1): New prototype.
6496         * explow.c (convert_memory_address_addr_space_1): No longer static,
6497         add NO_EMIT argument and don't call convert_modes if true, pass
6498         it down recursively, remove break after return.
6499         (convert_memory_address_addr_space): Adjust caller.
6500         * simplify-rtx.c (simplify_unary_operation_1): Call
6501         convert_memory_address_addr_space_1 instead of convert_memory_address,
6502         if it returns NULL, don't simplify.
6503
6504 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
6505
6506         PR target/70630
6507         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
6508
6509 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6510
6511         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6512         Bump the upper SIMDLEN limits, so that if the return type or
6513         characteristic type if the return type is void can be passed in
6514         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
6515         allowed.
6516
6517 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
6518
6519         PR target/70640
6520         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
6521         Do not use "=" constraint on an input constraint.
6522         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
6523         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
6524         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
6525         generates (neg (abs ...)) instead of (abs ...).
6526
6527 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6528
6529         PR rtl-optimization/70596
6530         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
6531         just invalidate LRA data and reset them.  Adjust dump wording.
6532
6533 2016-04-12  Martin Liska  <mliska@suse.cz>
6534
6535         Revert
6536         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6537
6538         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
6539         estimates here.
6540         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
6541         max_loop_iterations_int.
6542         (tree_unswitch_outer_loop): Likewise.
6543         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
6544         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
6545
6546 2016-04-12  Tom de Vries  <tom@codesourcery.com>
6547
6548         PR tree-optimization/68756
6549         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
6550         instead of new_name.
6551
6552 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6553
6554         PR tree-optimization/70602
6555         * tree-sra.c (generate_subtree_copies): Don't write anything into
6556         constant pool decls.
6557
6558         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
6559         regardless whether there are depend clauses or not.
6560
6561 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
6562
6563         PR target/70381
6564         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
6565         target attribute and pragma from changing the -mfloat128
6566         and -mfloat128-hardware options.
6567
6568         * doc/extend.texi (Additional Floating Types): Document PowerPC
6569         __float128 restrictions.
6570
6571 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6572
6573         PR target/70133
6574         * config/aarch64/driver-aarch64.c
6575         (aarch64_get_extension_string_for_isa_flags): New.
6576         (arch_extension): Rename to...
6577         (aarch64_arch_extension): ...This.
6578         (ext_to_feat_string): Rename to...
6579         (aarch64_extensions): ...This.
6580         (aarch64_core_data): Keep track of architecture extension flags.
6581         (cpu_data): Rename to...
6582         (aarch64_cpu_data): ...This.
6583         (aarch64_arch_driver_info): Keep track of architecture extension
6584         flags.
6585         (get_arch_name_from_id): Rename to...
6586         (get_arch_from_id): ...This, change return type.
6587         (host_detect_local_cpu): Update and reformat for renames, handle
6588         extensions through common infrastructure.
6589
6590 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6591
6592         PR target/70133
6593         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
6594         track of a canonical flag name.
6595         (all_extensions): Likewise.
6596         (arch_to_arch_name): Also track extension flags enabled by the arch.
6597         (all_architectures): Likewise.
6598         (aarch64_parse_extension): Move to here.
6599         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
6600         rework.
6601         (aarch64_rewrite_selected_cpu): Update for above change.
6602         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
6603         are handled, such that the single explicit value enabled by an
6604         extension is kept seperate from the implicit values it also enables.
6605         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
6606         to here.
6607         (aarch64_parse_extension): New.
6608         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
6609         here to config/aarch64/aarch64-protos.h.
6610         (aarch64_parse_extension): Move from here to
6611         common/config/aarch64/aarch64-common.c.
6612         (aarch64_option_print): Update.
6613         (aarch64_declare_function_name): Likewise.
6614         (aarch64_start_file): Likewise.
6615         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
6616         the canonical flag for extensions.
6617         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
6618         flags.
6619
6620 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6621
6622         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
6623         AARCH64_FL_CRC.
6624
6625 2016-04-09  Tom de Vries  <tom@codesourcery.com>
6626
6627         PR tree-optimization/68953
6628         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
6629         first to last subscript.
6630
6631 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
6632
6633         PR tree-optimization/70586
6634         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
6635         for any calls.
6636
6637 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
6638
6639         PR lto/70289
6640         PR ipa/70348
6641         PR tree-optimization/70373
6642         PR middle-end/70533
6643         PR middle-end/70534
6644         PR middle-end/70535
6645         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
6646         clauses for acc parallel reductions as necessary.  Error on those
6647         that are private.
6648         * omp-low.c (scan_sharing_clauses): Don't install variables which
6649         are used in acc parallel reductions.
6650         (lower_rec_input_clauses): Remove dead code.
6651         (lower_oacc_reductions): Add support for reference reductions.
6652         (lower_reduction_clauses): Remove dead code.
6653         (lower_omp_target): Don't remap variables appearing in acc parallel
6654         reductions.
6655         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
6656
6657 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
6658
6659         PR middle-end/70593
6660         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
6661         with multiple SSA_NAME defs, force the outputs other than first
6662         to be live before calling live_track_process_def on each output.
6663
6664         PR rtl-optimization/70574
6665         * fwprop.c (forward_propagate_and_simplify): Don't add
6666         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
6667         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
6668         paradoxical subregs within *loc.
6669
6670 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
6671
6672         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
6673         -ftree-parallelize-loops={0,1}.
6674         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
6675         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
6676         * config/ia64/hpux.h (LIB_SPEC): Likewise.
6677         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
6678         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
6679
6680 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
6681
6682         PR sanitizer/70541
6683         * asan.c (instrument_derefs): If we get unknown location, extract it
6684         with EXPR_LOCATION.
6685         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
6686
6687 2016-04-08  Tom de Vries  <tom@codesourcery.com>
6688
6689         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
6690         implicit firstprivate clause.
6691
6692 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6693
6694         PR target/70566
6695         * config/arm/thumb2.md (tst + branch-> lsls + branch
6696         peephole below *orsi_not_shiftsi_si): Require that condition
6697         register is dead after the peephole.
6698         (second peephole after the above): Likewise.
6699
6700 2016-04-08  Alan Modra  <amodra@gmail.com>
6701
6702         PR target/70117
6703         * builtins.c (fold_builtin_classify): For IBM extended precision,
6704         look at just the high-order double to test for NaN.
6705         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
6706         test just the high double for Inf but both doubles for subnormal
6707         limit.
6708
6709 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
6710
6711         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
6712         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
6713         node->simdclone->mask_mode != VOIDmode masks.
6714         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
6715         earlier, use it instead of node->simdclone.
6716         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6717         Set clonei->mask_mode.
6718
6719 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
6720
6721         PR c/70436
6722         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
6723         Pass it through to cp_parser_already_scoped_statement.
6724         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
6725         it through to cp_parser_statement.
6726         (cp_parser_statement): Pass IF_P through to
6727         cp_parser_iteration_statement.
6728         (cp_parser_pragma): Adjust call to
6729         cp_parser_iteration_statement.
6730
6731 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
6732
6733         PR c/70436
6734         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
6735         resolve a future -Wparentheses warning.
6736         * omp-low.c (scan_sharing_clauses): Likewise.
6737         * tree-parloops.c (eliminate_local_variables): Likewise.
6738
6739 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
6740
6741         PR rtl-optimization/70398
6742         * lra-constraints.c (process_address_1): Check zero scale and code
6743         for reloading with zero scale.
6744
6745 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
6746
6747         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
6748         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
6749
6750 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
6751
6752         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6753         Add support for AVX512F clones, include them by default for
6754         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
6755         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
6756         up to 128.
6757
6758         PR middle-end/70550
6759         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
6760         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
6761         firstprivate clauses.
6762         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
6763         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
6764         (lower_omp_target): Set TREE_NO_WARNING for
6765         non-addressable possibly uninitialized vars which are copied into
6766         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
6767
6768 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
6769
6770         * config/pa/predicates.md (integer_store_memory_operand): Accept
6771         REG+D operands with a large offset when reload_in_progress is true.
6772         (floating_point_store_memory_operand): Likewise.
6773
6774 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6775
6776         PR c++/70336
6777         * match.pd (nested int casts): Limit to GIMPLE.
6778
6779 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
6780
6781         PR ipa/66223
6782         * ipa-devirt.c (maybe_record_node): Fix comment; use
6783         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
6784
6785 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6786
6787         PR rtl-optimization/70542
6788         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
6789         if there are any uses other than insn or debug insns.
6790
6791 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
6792             Jakub Jelinek  <jakub@redhat.com>
6793
6794         PR tree-optimization/70509
6795         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
6796         Shift HOST_WIDE_INT_1U instead of 1.
6797
6798 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
6799
6800         PR tree-optimization/70509
6801         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
6802         of the vector base type for index.
6803
6804 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
6805
6806         PR target/70510
6807         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
6808
6809 2016-04-05  Richard Biener  <rguenther@suse.de>
6810
6811         PR tree-optimization/70526
6812         * tree-sra.c (build_ref_for_offset): Use prev_base to
6813         extract the alias pointer type.
6814
6815 2016-04-05  Richard Biener  <rguenther@suse.de>
6816
6817         * dse.c (struct store_info): Remove alias_set member.
6818         (struct read_info_type): Likewise.
6819         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
6820         spill_deleted, clear_alias_set_lookup): Remove.
6821         (get_group_info): Remove dead base == NULL_RTX case.
6822         (dse_step0): Remove initialization of removed variables.
6823         (delete_dead_store_insn): Reomve alias set dumping.
6824         (free_read_records): Remove alias_set handling.
6825         (canon_address): Remove alias_set_out parameter.
6826         (record_store): Remove spill_alias_set, it's always zero.
6827         (check_mem_read_rtx): Likewise.
6828         (dse_step2): Rename from ...
6829         (dse_step2_nospill): ... this.  Adjust.
6830         (scan_stores): Rename from ...
6831         (scan_stores_nospill): ... this.
6832         (scan_reads): Rename from ...
6833         (scan_reads_nospill): ... this.
6834         (scan_stores_spill, scan_reads_spill): Remove.
6835         (dse_step3_scan): Remove for_spills argument which is always false.
6836         (dse_step3): Likewise.
6837         (dse_step5): Rename from ...
6838         (dse_step5_nospill): ... this.  Remove alias_set handling.
6839         (rest_of_handle_dse): Adjust.
6840
6841 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6842
6843         PR target/70525
6844         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
6845         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
6846         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
6847         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
6848
6849 2016-04-05  Richard Biener  <rguenther@suse.de>
6850
6851         PR middle-end/70499
6852         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
6853         non-register type temporaries into SSA.
6854
6855 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
6856
6857         PR ipa/66223
6858         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
6859         calls when sanitizing.
6860         (possible_polymorphic_call_target_p): Fix formatting.
6861
6862 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6863             Jakub Jelinek <jakub@redhat.com>
6864
6865         PR middle-end/70457
6866         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
6867         to ensure a call statement is compatible with a built-in's
6868         prototype.
6869         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
6870         Likewise.
6871
6872 2016-04-04  Richard Biener  <rguenther@suse.de>
6873
6874         PR rtl-optimization/70484
6875         * rtl.h (canon_output_dependence): Declare.
6876         * alias.c (canon_output_dependence): New function.
6877         * dse.c (record_store): Use canon_output_dependence rather
6878         than canon_true_dependence.
6879
6880 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6881
6882         PR ipa/68881
6883         * cgraph.h (symtab_node::copy_visibility_from): New function.
6884         * symtab.c (symtab_node::copy_visibility_from): New function.
6885         * ipa-visibility.c (optimize_weakref): New function.
6886         (function_and_variable_visibility): Use it.
6887
6888 2016-04-04  Martin Liska  <mliska@suse.cz>
6889
6890         PR hsa/70402
6891         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
6892         value that is really in range handled by SBR instruction.
6893         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
6894         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
6895         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
6896
6897 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
6898
6899         PR target/70416
6900         PR target/67391
6901         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
6902         set, but not for SP_REG operands.
6903
6904 2016-04-02  Martin Sebor  <msebor@redhat.com>
6905
6906         PR c++/67376
6907         * fold-const.c (maybe_nonzero_address): New function.
6908         (fold_comparison): Call it.  Fold equality and relational
6909         expressions involving null pointers.
6910         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
6911
6912 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
6913
6914         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
6915         the "Y" constraint (scalar FP 0.0 immediate).
6916
6917         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
6918         Add the "const_double" to the list of operand constraints.
6919
6920 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
6921
6922         PR rtl-optimization/70467
6923         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
6924         If low word of the last operand is 0, just emit addition/subtraction
6925         for the high word.
6926
6927 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6928
6929         PR target/70404
6930         * config/s390/s390.c (s390_expand_insv): Check for everything
6931         constant instead of just VOIDmode stuff.
6932
6933 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6934
6935         PR target/70496
6936         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
6937
6938 2016-04-01  Nathan Sidwell  <nathan@acm.org>
6939
6940         * tree.def (TRY_CATCH_EXPR): Correct documentation.
6941
6942 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6943
6944         PR rtl-optimization/70461
6945         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
6946         is necessary.
6947
6948 2016-03-31  Martin Liska  <mliska@suse.cz>
6949
6950         PR hsa/70399
6951         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
6952         a tree value or an immediate integer value to a buffer
6953         that is eventually copied to a BRIG section.
6954         (emit_immediate_operand): Call the function here.
6955         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
6956         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
6957         of class' fields that are removed.
6958         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
6959         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
6960         m_brig_repr_size fields.
6961
6962 2016-03-31  Martin Liska  <mliska@suse.cz>
6963
6964         PR hsa/70391
6965         * hsa-gen.c (hsa_function_representation::update_dominance): New
6966         function.
6967         (convert_addr_to_flat_segment): Likewise.
6968         (gen_hsa_memory_set): New alignment argument.
6969         (gen_hsa_ctor_assignment): Likewise.
6970         (gen_hsa_insns_for_single_assignment): Provide alignment
6971         to gen_hsa_ctor_assignment.
6972         (gen_hsa_insns_for_direct_call): Add new argument.
6973         (expand_lhs_of_string_op): New function.
6974         (expand_string_operation_builtin): Likewise.
6975         (expand_memory_copy): New function.
6976         (expand_memory_set): New function.
6977         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
6978         (convert_switch_statements): Change signature.
6979         (generate_hsa): Use a return value of the function.
6980         (pass_gen_hsail::execute): Do not call
6981         convert_switch_statements here.
6982         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
6983         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
6984         (hsa_function_representation::update_dominance): New function.
6985
6986 2016-03-31  Martin Liska  <mliska@suse.cz>
6987
6988         PR hsa/70391
6989         * hsa-brig.c (emit_directive_variable): Emit alignment
6990         according to hsa_symbol::m_align.
6991         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
6992         (dump_hsa_symbol): Dump alignment of HSA symbols.
6993         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
6994         (gen_hsa_addr_with_align): New function.
6995         (hsa_bitmemref_alignment): Use newly added function.
6996         (gen_hsa_insns_for_load): Likewise.
6997         (gen_hsa_insns_for_store): Likewise.
6998         (gen_hsa_memory_copy): New argument added.
6999         (gen_hsa_insns_for_single_assignment): Respect
7000         alignment for assignments processed via gen_hsa_memory_copy.
7001         (gen_hsa_insns_for_direct_call): Likewise.
7002         (gen_hsa_insns_for_return): Likewise.
7003         (gen_function_def_parameters): Set default alignment.
7004         * hsa.c (hsa_object_alignment): New function.
7005         (hsa_byte_alignment): Pasted function.
7006         * hsa.h (hsa_symbol::m_align): New field.
7007
7008 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
7009
7010         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
7011         scratch field for goto case.
7012
7013 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
7014
7015         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
7016
7017 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
7018
7019         PR target/70442
7020         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
7021         (scalar_chain::convert_insn): Call convert_op for reg
7022         moves to handle undefined registers.
7023
7024 2016-03-31  Nathan Sidwell  <nathan@acm.org>
7025
7026         PR c++/70393
7027         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
7028         Assert we don't want to move backwards.
7029
7030 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
7031
7032         PR target/70453
7033         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
7034
7035 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
7036
7037         PR rtl-optimization/70460
7038         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
7039         with operand from REG_LABEL_OPERAND, instead substitute
7040         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
7041         Don't do anything for REG_NON_LOCAL_GOTO jumps.
7042
7043 2016-03-31  Martin Liska  <mliska@suse.cz>
7044
7045         * passes.c (execute_one_pass): Do not call
7046         todo_after for a discarded function.
7047
7048 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
7049
7050         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
7051         (no_cost, infinite_cost): Initialize the new field.
7052         (get_computation_cost_at): Record setup cost.
7053         (determine_use_iv_cost_address): Skip cost computation for sub
7054         uses if we can estimate it without losing accuracy.
7055
7056 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
7057
7058         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
7059         estimates here.
7060         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
7061         max_loop_iterations_int.
7062         (tree_unswitch_outer_loop): Likewise.
7063         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
7064         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
7065
7066 2016-03-30  Richard Biener  <rguenther@suse.de>
7067
7068         PR middle-end/70450
7069         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
7070
7071 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
7072
7073         PR target/70421
7074         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
7075         in gen_blendm expander.
7076
7077 2016-03-30  Nick Clifton  <nickc@redhat.com>
7078
7079         PR target/62254
7080         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
7081         case where we are already provided with an SImode SUBREG.
7082
7083 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7084
7085         PR target/70439
7086         * config/i386/i386.c (ix86_expand_epilogue): Properly check
7087         conflict between DRAP register and __builtin_eh_return.
7088
7089 2016-03-30  Michael Matz  <matz@suse.de>
7090             Richard Biener  <rguenther@suse.de>
7091
7092         PR ipa/12392
7093         * ipa-polymorphic-call.c (struct type_change_info): Change
7094         speculative to an unsigned allowing to limit the work we do.
7095         (csftc_abort_walking_p): New inline function..
7096         (check_stmt_for_type_change): Limit the number of may-defs
7097         skipped for speculative devirtualization to
7098         max-speculative-devirt-maydefs.
7099         * params.def (max-speculative-devirt-maydefs): New param.
7100         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
7101
7102 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
7103
7104         PR target/63890
7105         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
7106         and TARGET_MACHO.
7107
7108 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
7109
7110         PR tree-optimization/59124
7111         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
7112         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
7113
7114 2016-03-29  Jeff Law  <law@redhat.com>
7115
7116         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
7117
7118 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7119
7120         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
7121         to HOST_WIDE_INT.
7122
7123 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
7124
7125         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
7126         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
7127         gcrt0.o if linking dynamically.
7128
7129 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7130
7131         PR ipa/70283
7132         * ipa-devirt.c (methods_equal_p): New function.
7133         (compare_virtual_tables): Use it.
7134         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
7135         * cgraphclones.c (clone_function_name_1): Use
7136         symbol_table::symbol_suffix_separator.
7137         * coverage.c (build_var): Likewise.
7138         * symtab.c (symbol_table::symbol_suffix_separator): New.
7139
7140 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
7141
7142         PR rtl-optimization/70429
7143         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
7144         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
7145         mode != result_mode.
7146
7147         PR c++/70353
7148         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
7149
7150         PR tree-optimization/70405
7151         * ssa-iterators.h (num_imm_uses): Add missing braces.
7152
7153 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
7154
7155         PR rtl-optimization/68695
7156         * ira-color.c (allocno_copy_cost_saving): New.
7157         (improve_allocation): Use it.
7158
7159 2016-03-29  Richard Henderson  <rth@redhat.com>
7160
7161         PR middle-end/70355
7162         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
7163
7164 2016-03-29  Richard Biener  <rguenther@suse.de>
7165
7166         PR middle-end/70424
7167         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
7168         use alignment returned by get_pointer_alignment_1 if it is
7169         bigger than BITS_PER_UNIT.
7170         * builtins.c (get_pointer_alignment_1): Do not return true
7171         for alignment extracted from SSA info.
7172
7173 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
7174
7175         * config/ft32/ft32.opt (mnodiv): New.
7176         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
7177         * doc/invoke.texi (FT32 Options -mnodiv): New.
7178
7179 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
7180
7181         PR target/70406
7182         * config/i386/i386.md (define_split, andn): Fix modes.
7183
7184 2016-03-26  Richard Biener  <rguenther@suse.de>
7185             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7186
7187         PR ipa/70366
7188         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
7189         instead of
7190         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
7191         as 2nd argument to cl_optimization_restore().
7192
7193 2016-03-25  Richard Henderson  <rth@redhat.com>
7194
7195         PR target/70120
7196         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
7197         * config/aarch64/aarch64-protos.h: Declare it.
7198         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
7199
7200 2016-03-25  Alan Modra  <amodra@gmail.com>
7201
7202         PR target/70052
7203         * config/rs6000/constraints.md (j): Simplify.
7204         * config/rs6000/predicates.md (easy_fp_constant): Exclude
7205         decimal float 0.D.
7206         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
7207         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
7208          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
7209         in all constraint alternatives.
7210         (movtd_64bit_nodm): Delete "j" constraint alternative.
7211
7212 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
7213
7214         * tree-ssa-propagate.c: Enhance docs for
7215         SSA_PROP_NOT_INTERESTING.
7216
7217 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
7218
7219         * doc/extend.texi: Fix typo in documentation to pure attribute.
7220
7221 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
7222
7223         PR target/70319
7224         * config/pa/pa.md (bswapdi2): Use a scratch register.
7225
7226 2016-03-24  Richard Henderson  <rth@redhat.com>
7227
7228         PR middle-end/69845
7229         * fold-const.c (extract_muldiv_1): Correct test for multiplication
7230         overflow.
7231
7232 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
7233
7234         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
7235         using ix86_expand_binary_operator instead of gen_andsi3.
7236
7237 2016-03-24  Richard Biener  <rguenther@suse.de>
7238
7239         PR tree-optimization/70396
7240         * tree-vect-stmts.c (vectorizable_comparison): Use
7241         get_vectype_for_scalar_type.
7242
7243 2016-03-24  Richard Biener  <rguenther@suse.de>
7244
7245         PR middle-end/70370
7246         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
7247         with register bases.
7248
7249 2016-03-24  Richard Biener  <rguenther@suse.de>
7250
7251         PR tree-optimization/70372
7252         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
7253         build_all_ones_cst to also handle vector types correctly.
7254
7255 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
7256
7257         PR target/70381
7258         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
7259         -mfloat128 here.
7260
7261 2016-03-23  Marek Polacek  <polacek@redhat.com>
7262
7263         PR c++/69884
7264         * doc/invoke.texi: Document -Wignored-attributes.
7265
7266 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
7267
7268         PR tree-optimization/69042
7269         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
7270         parameter from 30 to 40.
7271
7272 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
7273
7274         PR tree-optimization/69042
7275         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
7276         for use with constant offset stripped in base.
7277
7278 2016-03-23  Richard Biener  <rguenther@suse.de>
7279
7280         PR middle-end/70251
7281         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
7282         mode compatibility check.
7283         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7284
7285 2016-03-23  Jeff Law  <law@redhat.com>
7286
7287         PR tree-optimization/64058
7288         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
7289         CONFLICT_COUNT.
7290         (struct ssa_conflicts): Move up earlier in the file.
7291         (conflicts_, var_map_): New static variables.
7292         (initialize_conflict_count): New function to initialize the
7293         CONFLICT_COUNT field for each conflict pair.
7294         (compare_pairs): Lazily initialize the conflict count and use it
7295         as the first tie-breaker.
7296         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
7297         and wipe conflicts_ and map_ around the call to qsort.  Remove
7298         special case for 2 coalesce pairs.
7299         * bitmap.c (bitmap_count_unique_bits): New function.
7300         (bitmap_count_bits_in_word): New function, extracted from
7301         bitmap_count_bits.
7302         (bitmap_count_bits): Use bitmap_count_bits_in_word.
7303         * bitmap.h (bitmap_count_unique_bits): Declare it.
7304
7305 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
7306
7307         PR target/69917
7308         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
7309         transparent alias chain for decl assembler name.
7310         * config/sol2.c (solaris_assemble_visibility): Likewise.
7311
7312 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7313
7314         * config/arm/arm1020e.md (1020call_op): Reduce reservation
7315         duration.
7316         (v10_fdivs): Likewise.
7317         (v10_fdivd): Likewise.
7318
7319 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7320
7321         PR driver/70132
7322         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
7323         to not call fclose twice on file.
7324
7325 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
7326
7327         PR tree-optimization/70354
7328         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
7329         oprnd0 is wider than oprnd1 and there is a cast from the wider
7330         type to oprnd1, mask it with the mask of the narrower type.
7331
7332         PR target/70321
7333         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
7334         Optimize TARGET_STV splitters, if high or low word of last argument
7335         is 0 or -1.
7336
7337 2016-03-22  Jeff Law  <law@redhat.com>
7338
7339         PR target/70232
7340         tree-ssa-threadbackward.c
7341         (fsm_find_control_statement_thread_paths): Correctly distinguish
7342         between old style jump threads vs FSM jump threads.
7343
7344 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
7345
7346         PR target/70302
7347         * config/i386/i386.c (scalar_chain::convert_op): Support
7348         uninitialized register usage case.
7349
7350 2016-03-22  Richard Biener  <rguenther@suse.de>
7351
7352         PR middle-end/70251
7353         * genmatch.c (gen_transform): Adjust last parameter to a three-state
7354         int...
7355         (capture::gen_transform): ... to change behavior when substituting
7356         a condition into cond or not-cond expr context.
7357         (dt_simplify::gen_1): Adjust.
7358         * gimple-match-head.c: Include gimplify.h for unshare_expr.
7359         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
7360         last change and instead change to
7361         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
7362         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7363
7364 2016-03-22  Anthony Green  <green@moxielogic.com>
7365
7366         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
7367         issue for moxiebox targets.
7368         (CC1PLUS_SPEC): Ditto.
7369
7370 2016-03-22  Richard Biener  <rguenther@suse.de>
7371
7372         PR middle-end/70333
7373         * fold-const.c (extract_muldiv_1): Properly perform multiplication
7374         in the wide type.
7375
7376 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
7377
7378         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
7379
7380 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
7381
7382         PR target/70325
7383         * config/i386/i386.c (def_builtin): Handle
7384         OPTION_MASK_ISA_AVX512VL to be and-ed with other
7385         bits.
7386         (const struct builtin_description bdesc_special_args[]):
7387         Remove duplicate ISA bits.
7388
7389 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
7390
7391         PR target/70329
7392         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
7393         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
7394         in a way that works also for AVX512BW.
7395
7396         PR target/70300
7397         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
7398         instead of source if operands[1] is xmm16 and above and
7399         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
7400         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
7401
7402         PR c++/70295
7403         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
7404         on assign if (*from_p) is a comparison, set it to
7405         TREE_NO_WARNING (*from_p).
7406
7407 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
7408
7409         PR middle-end/70326
7410         * lra.c (restore_scratches): Ignore deleted insns.
7411
7412 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
7413             Jakub Jelinek  <jakub@redhat.com>
7414
7415         PR tree-optimization/70317
7416         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
7417         to HONOR_NANS.
7418
7419 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
7420
7421         PR target/70327
7422         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
7423         of ix86_expand_move.
7424         (movoi): Ditto.
7425         (movti): Use general_operand for operand 1 predicate.
7426
7427 2016-03-21  Martin Liska  <mliska@suse.cz>
7428
7429         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
7430         insns.
7431         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
7432
7433 2016-03-21  Martin Liska  <mliska@suse.cz>
7434
7435         PR ipa/70306
7436         * ipa-icf.c (sem_function::parse): Skip static
7437         constructors and destructors.
7438
7439 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
7440
7441         PR target/70296
7442         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
7443         function-like macro, peek following token(s) if it is followed
7444         by CPP_OPEN_PAREN token with optional padding in between, and
7445         if not, don't treat it like a macro.
7446
7447 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
7448             Alexander Monakov  <amonakov@ispras.ru>
7449
7450         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
7451         for the stabs debug format.
7452
7453 2016-03-21  Richard Biener  <rguenther@suse.de>
7454
7455         PR tree-optimization/70310
7456         * tree-vect-generic.c (expand_vector_condition): Fold the built
7457         condition.
7458
7459 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
7460
7461         PR target/70293
7462         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
7463         Block third alternative for AVX-512VL target,
7464
7465 2016-03-21  Martin Liska  <mliska@suse.cz>
7466
7467         PR hsa/70234
7468         * hsa-brig.c (emit_function_directives): Mark unemitted
7469         global variables for emission.
7470         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
7471         (get_symbol_for_decl): Likewise.
7472         * hsa.h (struct hsa_symbol): New flag.
7473
7474 2016-03-21  Richard Biener  <rguenther@suse.de>
7475
7476         PR tree-optimization/70288
7477         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
7478         we do not estimate unsimplified all-constant conditionals or
7479         switches as optimized away.
7480
7481 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
7482
7483         PR rtl-optimization/69102
7484         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
7485         when we have a readonly dependency context.
7486
7487 2016-03-18  Jeff Law  <law@redhat.com>
7488
7489         PR rtl-optimization/70263
7490         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
7491         (update_equiv_regs): When trying to move a store to after the insn
7492         that sets the source of the store, make sure the store occurs after
7493         the insn that sets the source of the store.  When successful note
7494         the REG_EQUIV note created in the dump file.
7495
7496 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
7497             Bernd Schmidt  <bschmidt@redhat.com>
7498
7499         * doc/extend.texi: Document more potential problems with basic asms.
7500
7501 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
7502
7503         PR rtl-optimization/70278
7504         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
7505         VOIDmode.
7506
7507 2016-03-18  Jason Merrill  <jason@redhat.com>
7508
7509         * calls.c (load_register_parameters): Fix zero size sibcall logic.
7510
7511 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
7512
7513         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
7514         values to 128b regs.
7515
7516 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
7517
7518         PR tree-optimization/70252
7519         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
7520         boolean vector has a proper number of elements.
7521         (supportable_narrowing_operation): Likewise.
7522
7523 2016-03-18  Tom de Vries  <tom@codesourcery.com>
7524
7525         PR ipa/70269
7526         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
7527
7528 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
7529
7530         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
7531         instead of replace_rtx for DEBUG_INSNs.
7532
7533 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
7534
7535         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
7536         load type reservations.
7537
7538 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
7539
7540         PR target/70188
7541         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
7542         define_constraint for "Q" and "T" constraints.
7543
7544 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
7545
7546         Tweak the pipeline model for Exynos M1
7547
7548         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
7549         model.
7550
7551 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
7552
7553         PR c/70264
7554         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
7555         where one or both locations aren't within a line_map.
7556
7557 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7558
7559         PR driver/70192
7560         * opts.c (finish_options): Don't set flag_pie to the default if
7561         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
7562         if it is -1.
7563
7564 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
7565
7566         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
7567         true as ALL_REGS argument to replace_rtx.
7568
7569 2016-03-17  Richard Biener  <rguenther@suse.de>
7570
7571         PR debug/70271
7572         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
7573         last.
7574
7575 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
7576
7577         PR target/70245
7578         * rtl.h (replace_rtx): Add ALL_REGS argument.
7579         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
7580         equality and assert mode is the same, instead of just rtx pointer
7581         equality.
7582         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
7583         true as ALL_REGS argument to replace_rtx.
7584
7585 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
7586
7587         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
7588         for boolean vector with vector mode only.
7589         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7590
7591 2016-03-17  Nick Clifton  <nickc@redhat.com>
7592
7593         PR target/70162
7594         * config/rx/rx.c (rx_print_integer): Print negative constants in
7595         decimal.
7596
7597 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
7598
7599         PR target/70261
7600         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
7601
7602 2016-03-16  Richard Henderson  <rth@redhat.com>
7603             Richard Biener  <rguenth@suse.de>
7604
7605         PR middle-end/70240
7606         PR middle-end/68215
7607         PR tree-opt/68714
7608         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
7609         first operand as is_gimple_condexpr.
7610
7611         PR middle-end/70240
7612         PR middle-end/68215
7613         Revert r231575
7614         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
7615         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
7616         Do not gimplify the result.
7617         (do_unop): Adjust call to tree_vec_extract.
7618         (do_binop): Likewise.
7619         (do_compare): Likewise.
7620         (do_plus_minus): Likewise.
7621         (do_negate): Likewise.
7622         (expand_vector_condition): Likewise.
7623         (do_cond): Likewise.
7624
7625 2016-03-16  Richard Henderson  <rth@redhat.com>
7626
7627         PR target/70048
7628         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
7629         (aarch64_classify_address): Use it.
7630         (aarch64_legitimize_address): Force all subexpressions of PLUS
7631         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
7632
7633 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
7634             Richard Biener  <rguenth@suse.de>
7635
7636         PR target/70245
7637         * rtlanal.c (replace_rtx): For REG, if from is a REG,
7638         return to even if only REGNO is equal, and assert
7639         mode is the same.
7640
7641 2016-03-11  Jeff Law  <law@redhat.com>
7642
7643         PR rtl-optimization/70224
7644         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
7645
7646 2016-03-16  Richard Henderson  <rth@redhat.com>
7647
7648         PR middle-end/70199
7649         * function.h (struct function): Add has_forced_label_in_static.
7650         * gimplify.c (force_labels_r): Set it.
7651         * lto-streamer-in.c (input_struct_function_base): Read it.
7652         * lto-streamer-out.c (output_struct_function_base): Write it.
7653         * tree-inline.c (has_label_address_in_static_1): Remove.
7654         (copy_forbidden): Remove fndecl parameter; test
7655         has_forced_label_in_static.
7656         (inline_forbidden_p): Update call to copy_forbidden.
7657         (tree_versionable_function_p): Likewise.
7658         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
7659         (chkp_versioning): Likewise.
7660         * tree-inline.h (copy_forbidden): Update decl.
7661
7662 2016-03-16  Marek Polacek  <polacek@redhat.com>
7663
7664         PR c/70093
7665         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
7666         function being thunked if the result type doesn't have fixed size.
7667         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
7668         doesn't have fixed size.
7669
7670 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
7671
7672         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
7673         reporting malformed loop nest.
7674
7675 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7676
7677         PR lto/70187
7678         * ipa-devirt.c (possible_polymorphic_call_targets): Move
7679         nodes.length () == 1 test to before first nodes[0] access.
7680
7681 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7682
7683         PR tree-optimization/68715
7684         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
7685         single_pred_p test.
7686
7687 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7688
7689         PR tree-optimization/68809
7690         * graphite-scop-detection.c (same_close_phi_node): Test if result types
7691         are the same.
7692
7693 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
7694             Sandra Loosemore  <sandra@codesourcery.com>
7695
7696         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
7697         on leaf attribute. Mention ELF interposition problems.
7698
7699 2016-03-16  Alan Modra  <amodra@gmail.com>
7700
7701         PR rtl-optimization/69195
7702         PR rtl-optimization/47992
7703         * ira.c (indirect_jump_optimize): Ignore artificial defs.
7704         Add comments.
7705
7706 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
7707
7708         PR bootstrap/69513
7709         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
7710
7711 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
7712
7713         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
7714
7715 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
7716
7717         PR rtl-optimization/70222
7718         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
7719         optimization if mode is different from result_mode, queue up masking
7720         of the result in outer_op.  Formatting fix.
7721
7722         PR middle-end/70239
7723         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
7724         of safe_grow.
7725
7726 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7727
7728         PR rtl-optimization/69032
7729         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
7730         looping backwards over basic block insns.
7731
7732 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7733
7734         PR target/66660
7735         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
7736         to non-speculative when propagating trap bits.
7737
7738 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7739
7740         PR rtl-optimization/63384
7741         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
7742         DEBUG_INSN_P insns.
7743
7744 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7745
7746         PR target/64411
7747         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
7748         factored out from ...
7749         (sched_analyze_insn): ... here.
7750         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
7751         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
7752         get_implicit_reg_pending_clobbers in it.
7753         (setup_id_reg_sets): Use setup_id_implicit_regs.
7754         (deps_init_id): Ditto.
7755
7756 2016-03-15  Tom de Vries  <tom@codesourcery.com>
7757
7758         PR ipa/70161
7759         * cgraph.c (cgraph_node::get_body): Save, reset and restore
7760         dump_file_name.
7761         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
7762         execute_function_dump.
7763         (execute_one_pass): Don't dump function if it will be dumped after ipa
7764         transform.
7765
7766 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
7767
7768         * genrecog.c (match_pattern_2): If pred is NULL don't call
7769         safe_predicate_mode on it.
7770
7771 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
7772
7773         PR middle-end/70219
7774         * lra-constraints.c (delete_move_and_clobber): Change assertion
7775         to also allow dregno == 0.
7776
7777 2016-03-14  Richard Henderson  <rth@redhat.com>
7778
7779         PR tree-opt/68714
7780         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
7781         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
7782         (reassociate_bb): Use optimize_vec_cond_expr; avoid
7783         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
7784         on vectors.
7785
7786 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
7787
7788         PR target/70083
7789         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
7790         regs.
7791         (lra_create_live_ranges_1): initialize hard register biggest_mode to
7792         VOIDmode.
7793         * lra-constraints.c (split_reg): For hard regs, try to find the
7794         biggest single-register mode used in the function.
7795
7796 2016-03-14  Richard Biener  <rguenther@suse.de>
7797
7798         PR tree-optimization/56365
7799         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
7800         constants to compare against.
7801
7802 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
7803
7804         PR target/70098
7805         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
7806         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
7807         (define_split for the GPR case): Use int_reg_operand instead of
7808         gpc_reg_operand for the output.
7809
7810 2016-03-14  Tom de Vries  <tom@codesourcery.com>
7811
7812         PR tree-optimization/70045
7813         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
7814         create_empty_if_region_on_edge argument.
7815
7816 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
7817
7818         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
7819         (STACK_CHECK_PROTECT): Likewise.
7820         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
7821         (STACK_CHECK_PROTECT): Likewise.
7822         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
7823         (STACK_CHECK_PROTECT): Likewise.
7824         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
7825         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
7826         (STACK_CHECK_PROTECT): Likewise.
7827
7828 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
7829
7830         PR rtl-optimization/69307
7831         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
7832         registers in modes that span more than one register.
7833
7834 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
7835
7836         PR target/69614
7837         * lra-constraints.c (delete_move_and_clobber): New.
7838         (remove_inheritance_pseudos): Use it.
7839
7840 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
7841
7842         PR ada/70017
7843         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
7844         the libcall is LCT_THROW.
7845         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
7846         for the checking routine.
7847
7848 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
7849
7850         PR target/70131
7851         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
7852         optimization if we have direct move.
7853         (roundu32<mode>2_fprs): Likewise.
7854
7855 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
7856
7857         PR target/70123
7858         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
7859         be rematerialized.
7860         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
7861         Arguments swapped.  All callers changed.  Take reg_renumber into
7862         account, and Calculate and compare register ranges for hard regs.
7863
7864 2016-03-11  Jeff Law  <law@redhat.com>
7865
7866         PR tree-optimization/70190
7867         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7868         Handle cases where we can not extract the taken edge, even though we
7869         found a constant value.
7870
7871         PR tree-optimization/64058
7872         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
7873         (num_coalesce_pairs): Move up earlier in file.
7874         (find_coalesce_pair): Initialize the INDEX field for each pair
7875         discovered.
7876         (compare_pairs): No longer sort on the elements in each pair.
7877         Instead break ties with the index of the coalesce pair.
7878
7879 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7880
7881         PR target/70002
7882         * config/aarch64/aarch64-protos.h
7883         (aarch64_save_restore_target_globals): New prototype.
7884         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
7885         Call the above when popping pragma.
7886         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
7887         New function.
7888         (aarch64_set_current_function): Rewrite using the above.
7889
7890 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
7891
7892         PR tree-optimization/70177
7893         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
7894         (extract_ops_from_tree): ... this.  In the 2 argument
7895         overload remove _1 suffix.
7896         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
7897         (extract_ops_from_tree): ... this.
7898         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
7899         Adjust callers.
7900         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
7901         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
7902         extract_ops_from_tree instead of 2 operand one.
7903
7904 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
7905
7906         PR tree-optimization/70013
7907         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
7908         for constant-pool entries.
7909
7910 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
7911
7912         PR rtl-optimization/70174
7913         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
7914         followed by gen_lowpart on force_reg instead of just gen_lowpart.
7915
7916         PR tree-optimization/70169
7917         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
7918         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
7919         for unknown codes.
7920
7921 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
7922             Jakub Jelinek  <jakub@redhat.com>
7923
7924         PR target/70160
7925         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
7926         of uninitialized values.
7927
7928 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7929
7930         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
7931         define_expand.
7932         ("*trunctddd2"): New pattern definition.
7933         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
7934         TD->DD truncation.
7935
7936 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7937
7938         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
7939         definitions for BFP and DFP rounding modes.
7940         ("fixuns_truncdddi2", "fixuns_trunctddi2")
7941         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
7942         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
7943         ("fix_trunctf<mode>2"): Use the new constants instead of magic
7944         numbers.
7945
7946 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7947
7948         * config/s390/constraints.md: Adjust comment.
7949         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
7950         s390_decompose_addrstyle_without_index.
7951         * config/s390/predicates.md (shift_count_or_setmem_operand):
7952         Rename to setmem_operand.
7953         * config/s390/s390-protos.h
7954         (s390_decompose_shift_count): Rename to
7955         s390_decompose_addrstyle_without_index.
7956         * config/s390/s390.c (s390_decompose_shift_count)
7957         (s390_mem_constraint, print_shift_count_operand)
7958         (print_operand_address, print_operand): Rename
7959         s390_decompose_shift_count to
7960         s390_decompose_addrstyle_without_index and rename
7961         print_shift_count_operand to print_addrstyle_operand troughout the
7962         file.
7963         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
7964         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
7965         Rename shift_count_or_setmem_operand to setmem_operand.
7966         * config/s390/vx-builtins.md ("vec_insert<mode>")
7967         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
7968         nonmemory_operand.
7969
7970 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7971
7972         PR target/70168
7973         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
7974         Handle overlapping retval and newval.
7975
7976 2016-03-10  Nick Clifton  <nickc@redhat.com>
7977
7978         PR target/7044
7979         * config/aarch64/aarch64.c
7980         (aarch64_override_options_after_change_1): When forcing
7981         flag_omit_frame_pointer to be true, use a special value that can
7982         be detected if this function is called again, thus preventing
7983         flag_omit_leaf_frame_pointer from being forced to be false.
7984
7985 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7986
7987         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
7988         Set x_flag_omit_leaf_frame_pointer when handling
7989         -momit-leaf-frame-pointer.
7990
7991 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7992
7993         PR lto/69589
7994         * cgraph.c (cgraph_node::dump): Dump split_part and
7995         indirect_call_target.
7996         * cgraph.h (cgraph_node): Add indirect_call_target flag.
7997         * ipa.c (has_addr_references_p): Cleanup.
7998         (is_indirect_call_target_p): New.
7999         (walk_polymorphic_call_targets): Do not mark virtuals that may be
8000         called indirectly as local.
8001         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
8002
8003 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
8004
8005         PR ipa/69630
8006         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
8007         on cxa_pure_virtual.
8008
8009 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
8010
8011         PR lto/69589
8012         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
8013
8014 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
8015
8016         PR lto/69589
8017         * tree.c (need_assembler_name_p): Only record main variant type names.
8018
8019 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
8020
8021         PR target/70113.
8022         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
8023         Always define to 0 or 1.
8024         (TARGET_FIX_ERR_A53_843419): New macro.
8025         * config/aarch64/aarch64-elf-raw.h
8026         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
8027         * config/aarch64/aarch64-linux.h: Likewise.
8028         * config/aarch64/aarch64.c
8029         (aarch64_override_options_after_change_1): Do not default
8030         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
8031         843419 is on.
8032         (aarch64_attributes): Handle fix-cortex-a53-843419.
8033         (aarch64_can_inline_p): Likewise.
8034         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
8035
8036 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
8037         Jakub Jelinek <jakub@redhat.com>
8038
8039         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
8040         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
8041         DECL_COMMONS if flag_unconstrained_commons is set.
8042         * tree-dfa.c (get_ref_base_and_extent): Likewise.
8043         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
8044         (funconstrained-commons): Document.
8045
8046 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
8047
8048         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
8049         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
8050
8051 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
8052
8053         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
8054         has a proper number of elements.
8055
8056 2016-03-10  Alan Modra  <amodra@gmail.com>
8057
8058         PR rtl-optimization/69195
8059         PR rtl-optimization/47992
8060         * ira.c (recorded_label_ref): Delete.
8061         (update_equiv_regs): Return void.
8062         (indirect_jump_optimize): New function.
8063         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
8064         before regstat_compute_ri.  Don't rebuild_jump_labels here.
8065         Delete update_regstat.
8066
8067 2016-03-10  Richard Biener  <rguenther@suse.de>
8068
8069         PR tree-optimization/70128
8070         * tree-ssa-structalias.c (set_uids_in_ptset): Set
8071         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
8072
8073 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
8074
8075         PR tree-optimization/70152
8076         * tree-sra.c (replace_removed_params_ssa_names): Copy over
8077         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
8078
8079         PR target/70086
8080         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
8081         instead of gen_sse2_loadlpd.
8082         * config/i386/sse.md (*vec_concatv2df): Rename to...
8083         (vec_concatv2df): ... this.
8084
8085         PR tree-optimization/70127
8086         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
8087
8088 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
8089
8090         PR c/68473
8091         PR c++/70105
8092         * diagnostic-show-locus.c (compatible_locations_p): New function.
8093         (layout::layout): Sanitize ranges using compatible_locations_p.
8094
8095 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
8096
8097         PR c/68473
8098         PR c++/70105
8099         * diagnostic-show-locus.c (layout_range::layout_range): Replace
8100         location_range param with three const expanded_locations * and a
8101         bool.
8102         (layout::layout): Replace call to
8103         rich_location::lazily_expand_location with get_expanded_location.
8104         Extract the range and perform location expansion here, passing
8105         the results to the layout_range ctor.
8106         * diagnostic.c (source_range::debug): Delete.
8107         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
8108         of rich_location::get_expanded_location.
8109         * gcc-rich-location.c (get_range_for_expr): Delete.
8110         (gcc_rich_location::add_expr): Reimplement to avoid the
8111         rich_location::add_range overload that took a location_range,
8112         passing a location_t instead.
8113
8114 2016-03-09  Richard Biener  <rguenther@suse.de>
8115         Jakub Jelinek  <jakub@redhat.com>
8116
8117         PR tree-optimization/70138
8118         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
8119         Also skip vect_double_reduction_def.
8120
8121 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
8122
8123         PR target/70049
8124         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
8125         if the operand is "m".
8126
8127 2016-03-09  Nathan Sidwell  <nathan@acm.org>
8128
8129         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
8130
8131 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
8132
8133         * config/i386/i386.c (processor_target_table): Fix cost table
8134         intialization order for znver1.
8135
8136 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
8137
8138         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
8139         - becuase -> because.
8140         * ipa-reference.c (ignore_module_statics): Likewise.
8141         * cgraph.c (cgraph_node::get_body): Likewise.
8142         * ipa-inline.c (early_inliner): Likewise.
8143         * ipa-devirt.c (types_same_for_odr): Likewise.
8144         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
8145         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
8146
8147 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8148
8149         * tree-ssa-math-opts.c: Fix typo in comment.
8150
8151 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
8152
8153         PR target/70110
8154         * config/i386/i386.c (scalar_chain::make_vector_copies,
8155         scalar_chain::convert_reg): Call end_sequence in between
8156         get_insns and emit_conversion_insns rather than after both
8157         calls.
8158
8159 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
8160
8161         PR target/70064
8162         * config/i386/i386.h (machine_function): Add
8163         pc_thunk_call_expanded flag.
8164         (ix86_pc_thunk_call_expanded): New define.
8165         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
8166         (*set_got): Rename insn pattern from set_got.
8167         (*set_got_labelled): Rename inst pattern from set_got_labelled.
8168         * config/i386/i386.c (ix86_compute_frame_layout): Use
8169         ix86_pc_thunk_call_expanded to prevent red-zone.
8170
8171 2016-03-07  Martin Jambor  <mjambor@suse.cz>
8172
8173         * hsa.h (hsa_get_ctor_statements): Declare.
8174         (hsa_get_dtor_statements): Likewise.
8175         (hsa_get_kernel_dispatch_type): Likewise.
8176         * hsa.c (hsa_get_ctor_statements): New function.
8177         (hsa_get_dtor_statements): Likewise.
8178         (hsa_get_kernel_dispatch_type): Likewise.
8179         * hsa-brig.c (hsa_cdtor_statements): Removed.
8180         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
8181         hsa_get_dtor_statements.
8182         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
8183         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
8184
8185 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8186
8187         * config/arm/arm-cores.def (cortex-r8): New.
8188         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
8189         * config/arm/arm-tune.md: Likewise.
8190         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
8191
8192 2016-03-07  Martin Sebor  <msebor@redhat.com>
8193
8194         PR rtl-optimization/19705
8195         * doc/invoke.texi (Options That Control Optimization): Clarify
8196         -fno-branch-count-reg.
8197
8198 2016-02-26  Richard Biener  <rguenther@suse.de>
8199             Jeff Law  <law@redhat.com>
8200
8201         PR tree-optimization/69740
8202         * cfghooks.c (remove_edge): Request loop fixups if we delete
8203         an edge that might turn an irreducible loop into a natural
8204         loop.
8205         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
8206         Move after definition of loops_state_clear.
8207
8208 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
8209
8210         PR rtl-optimization/69052
8211         * rtlanal.c (commutative_operand_precedence): Set higher precedence
8212         to CONST_WIDE_INT.
8213
8214 2016-03-07  Tom de Vries  <tom@codesourcery.com>
8215
8216         PR tree-optimization/70116
8217         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
8218         is_tm_ending stmts and ubsan/asan internal functions.
8219         (find_duplicate): Use it.  Don't test is_tm_ending here.
8220
8221 2016-03-07  Richard Biener  <rguenther@suse.de>
8222
8223         PR tree-optimization/70115
8224         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
8225         (propagate_constants_for_unrolling): Use replace_uses_by.
8226
8227 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
8228
8229         PR middle-end/69916
8230         * omp-low.c (struct oacc_loop): Add ifns.
8231         (new_oacc_loop_raw): Initialize it.
8232         (finish_oacc_loop): Clear mask & flags if no ifns.
8233         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
8234         (oacc_loop_xform_loop): Add ifns arg & adjust.
8235         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
8236
8237 2016-03-07  Richard Henderson  <rth@redhat.com>
8238
8239         PR rtl-opt/70061
8240         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
8241         (insert_value_copy_on_edge): Likewise.
8242
8243 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8244
8245         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
8246
8247 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8248
8249         PR target/62281
8250         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
8251
8252 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
8253
8254         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
8255
8256 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
8257
8258         Fix sseimul type attribute.
8259         * config/i386/znver1.md
8260         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
8261         znver1_sseimul_avx256_load) : Fix the type attribute.
8262         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
8263         pipe usage and latency.
8264
8265 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
8266
8267         PR c++/70084
8268         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
8269         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
8270         to the right type.
8271
8272 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
8273
8274         PR c/69973
8275         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
8276
8277         PR rtl-optimization/69941
8278         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
8279         the reg share its mode.
8280
8281 2016-03-04  Jeff Law  <law@redhat.com>
8282
8283         PR tree-optimization/69196
8284         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8285         If the both SSA_NAMEs are anonymous, then consider them unassociated
8286         and include the PHI in the statement count.
8287
8288 2016-03-05  Tom de Vries  <tom@codesourcery.com>
8289
8290         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
8291         construct in oacc routine.  Check for oacc region in oacc routine.
8292
8293 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
8294
8295         PR target/70062
8296         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
8297         2016-02-22 changes, instead don't recurse if RECUR is already true.
8298         Don't change *dynamic_check if RECUR.  Adjust recursive caller
8299         to pass true to the new argument.
8300         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
8301
8302         PR target/70059
8303         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
8304         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
8305         fixes.
8306         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
8307
8308 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
8309
8310         PR rtl-optimization/57676
8311         * lra-assigns.c (lra_assign): Guard test for maximum iterations
8312         with flag_checking.
8313
8314 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
8315
8316         * tree-vect-patterns.c (search_type_for_mask): Handle
8317         comparison of booleans.
8318
8319 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
8320
8321         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
8322         Fix @xref usage.
8323
8324         PR debug/69947
8325         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
8326         all other ops that have dw_val_class_die_ref operands,
8327         and DW_OP_GNU_entry_value.
8328
8329 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8330
8331         PR rtl-optimization/69904
8332         * config/arm/arm.c (arm_cannot_copy_insn_p):
8333         Return true for load-exclusive instructions.
8334
8335 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
8336
8337         PR target/70021
8338         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
8339         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
8340         the pattern no matter if it is used just by non-pattern, pattern
8341         or mix thereof.
8342         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
8343         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
8344         oprnd1 def_stmt is in pattern, don't look through it.
8345
8346 2016-03-03  Marek Polacek  <polacek@redhat.com>
8347
8348         PR middle-end/70050
8349         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
8350
8351 2016-03-03  Martin Liska  <mliska@suse.cz>
8352
8353         PR tree-optimization/70043
8354         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
8355         previous statement if we see a debug statement.
8356
8357 2016-03-03  Richard Biener  <rguenther@suse.de>
8358
8359         PR tree-optimization/55936
8360         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
8361         parameter and guard unsafe equivalence use.
8362         (vrp_evaluate_conditional_warnv_with_ops): Always use
8363         safe equivalences but not via the quadratic compare_names
8364         helper.
8365
8366 2016-03-03  Michael Collison  <michael.collison@linaro.org>
8367
8368         PR target/70014
8369         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
8370         for operand 1 to s_register_operand. Change predicate for operand
8371         2 to arm_not_immediate_operand.
8372
8373 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
8374
8375         * doc/tm.texi: Regenerated.
8376
8377 2016-03-02  Richard Henderson  <rth@redhat.com>
8378
8379         PR rtl-opt/67145
8380         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
8381         simplification when all args are positive non-fixed registers.
8382
8383 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8384
8385         * target.def (lra_p): Specify that new ports should use LRA.
8386
8387 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
8388
8389         PR libgomp/69555
8390         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
8391         gimplify_type_sizes the type they refer to.
8392         (omp_notice_variable): Handle reference vars to VLAs.
8393         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
8394         reference to VLA decls in the second pass instead of first pass.
8395
8396 2016-03-02  Tom de Vries  <tom@codesourcery.com>
8397
8398         PR tree-optimization/68659
8399         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
8400         new_expr == NULL_TREE.
8401         (get_new_name): Handle ADDR_EXPR.
8402
8403 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
8404
8405         PR rtl-optimization/69052
8406         * loop-invariant.c (canonicalize_address): New function.
8407         (inv_can_prop_to_addr_use): Check validity of address expression
8408         which is canonicalized by above function.
8409
8410 2016-03-02  Alan Modra  <amodra@gmail.com>
8411
8412         PR ipa/69990
8413         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
8414         larger alignment.
8415
8416 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
8417
8418         PR target/70028
8419         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
8420         (*movhi_internal): Put mask moves from and to memory separately
8421         from moves from/to GPRs.
8422
8423 2016-03-02  Richard Biener  <rguenther@suse.de>
8424
8425         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
8426         GENERIC expressions in GIMPLE.
8427
8428 2016-03-02  Richard Biener  <rguenther@suse.de>
8429
8430         * config/i386/i386.c (type_natural_mode): Fix typo.
8431
8432 2016-03-02  Nick Clifton  <nickc@redhat.com>
8433
8434         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
8435
8436 2016-03-02  Richard Biener  <rguenther@suse.de>
8437             Uros Bizjak  <ubizjak@gmail.com>
8438
8439         PR target/67278
8440         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
8441
8442 2016-03-02  Richard Biener  <rguenther@suse.de>
8443
8444         PR middle-end/67278
8445         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
8446
8447 2016-03-02  Marek Polacek  <polacek@redhat.com>
8448
8449         PR c/67854
8450         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
8451         "is promoted to" warning.
8452
8453 2016-03-01  DJ Delorie  <dj@redhat.com>
8454
8455         * config.gcc: Deprecate mep-*.
8456
8457 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
8458
8459         PR middle-end/70025
8460         * lra-constraints.c (regno_val_use_in): New.
8461         (match_reload): Use it instead of regno_use_in.
8462
8463 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
8464
8465         PR rtl-optimization/70007
8466         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
8467         references present in REG_EQUAL notes attached to non-SET patterns.
8468
8469 2016-03-01  Jeff Law  <law@redhat.com>
8470
8471         PR tree-optimization/69196
8472         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8473         Appropriately clamp the number of statements to copy when the
8474         thread path does not traverse a loop backedge.
8475
8476         PR tree-optimization/69196
8477         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8478         Do count some PHIs in the thread path against the insn count.  Decrease
8479         final statement count by one as the control statement in the last
8480         block will get removed.  Remove special cased code for handling PHIs
8481         in the last block.
8482
8483 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
8484
8485         PR target/70027
8486         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
8487         asm dialect alternatives to explicit GOTPCREL calls.
8488
8489 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
8490
8491         PR ada/70017
8492         * ira.c (do_reload): Issue warning for generic stack checking here...
8493         * reload1.c (reload): ...instead of here and streamline it.
8494
8495 2016-03-01  Nick Clifton  <nickc@redhat.com>
8496
8497         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
8498
8499 2016-03-01  Richard Biener  <rguenther@suse.de>
8500
8501         PR tree-optimization/69983
8502         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
8503         types and fall back to operand_equal_p.
8504
8505 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8506
8507         Revert
8508         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8509
8510         * config/s390/constraints.md ("jm8"): New constraint.
8511         * config/s390/predicates.md ("const_int_8bitset_operand"): New
8512         predicate.
8513         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
8514         into ...
8515         ("*setmem_long<setmem_and>"): New pattern.
8516         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
8517         into ...
8518         ("*setmem_long_31z<setmem_and>"): New pattern.
8519         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
8520         New substitution rules with the required attributes.
8521
8522
8523 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8524
8525         Revert
8526         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8527
8528         * gensupport.c (process_substs_on_one_elem): Split loop to
8529         complete mark_operands_used_in_match_dup on all expressions in the
8530         vector first.
8531         (adjust_operands_numbers): Inline into process_substs_on_one_elem
8532         and remove function.
8533
8534 2016-03-01  Richard Biener  <rguenther@suse.de>
8535
8536         PR middle-end/70022
8537         * fold-const.c (fold_indirect_ref_1): Fix range checking for
8538         vector BIT_FIELD_REF extract.
8539
8540 2016-03-01  Richard Biener  <rguenther@suse.de>
8541
8542         PR tree-optimization/69994
8543         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
8544
8545 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
8546
8547         PR tree-optimization/69956
8548         * tree-vect-stmts.c (supportable_widening_operation): Support
8549         multi-step conversion of boolean vectors.
8550         (supportable_narrowing_operation): Likewise.
8551
8552 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8553
8554         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
8555         anymore.
8556
8557 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8558
8559         * config/s390/subst.md (DSI_VI): New mode iterator.
8560         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
8561         * config/s390/vector.md ("vec_set<mode>"): Move expander before
8562         the insn definition.
8563         ("*vec_set<mode>"): Change predicate and add alternative to
8564         support only either register or const_int operands as element
8565         selector.
8566         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
8567         operands.
8568         ("vec_extract<mode>"): New expander.
8569         ("*vec_extract<mode>"): New insn definition supporting reg and
8570         const_int element selectors.
8571         ("*vec_extract<mode>_plus"): New insn definition supporting
8572         reg+const_int element selectors.
8573         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
8574         following expander+insn definition.
8575         ("<vec_shifts_name><mode>3"): New expander.
8576         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
8577
8578 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8579
8580         * config/s390/s390.md ("*tabort_1"): Change predicate to
8581         nonmemory_operand.  Add a second alternative to cover
8582         register as well as const int operands.
8583         ("*tabort_1_plus"): New pattern definition.
8584
8585 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8586
8587         * config/s390/s390.md ("*ashrdi3_cc_31")
8588         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
8589         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
8590         Merge insn definitions into ...
8591         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
8592         New pattern definition.
8593         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
8594         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
8595         ("*ashr<mode>3_and"): Merge insn definitions into ...
8596         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
8597         New pattern definition.
8598         * config/s390/subst.md ("addr_style_op_cc_subst")
8599         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
8600         substitutions patterns plus attributes.
8601         Add ashiftrt to SUBST iterator.
8602
8603 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8604
8605         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
8606         op2 to nonmemory_operand.
8607         ("*<shift>di3_31", "*<shift>di3_31_and"):
8608         Merge into single pattern definition ...
8609         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
8610         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
8611         pattern definition ...
8612         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
8613         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
8614         iterator.
8615
8616 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8617
8618         * config/s390/predicates.md (const_int_6bitset_operand): New
8619         predicate.
8620         * config/s390/s390.md: Include subst.md.
8621         ("rotl<mode>3"): New expander.
8622         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
8623         ...
8624         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
8625         * config/s390/subst.md: New file.
8626
8627 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8628
8629         * config/s390/s390.md ("op_type", "atype", "length" attributes):
8630         Remove RRR type.  It doesn't really exist.
8631         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
8632         attributes.
8633         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
8634         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
8635         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
8636         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
8637         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
8638         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
8639         `enabled' attribute.
8640
8641 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8642
8643         * gensupport.c (process_substs_on_one_elem): Split loop to
8644         complete mark_operands_used_in_match_dup on all expressions in the
8645         vector first.
8646         (adjust_operands_numbers): Inline into process_substs_on_one_elem
8647         and remove function.
8648
8649 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8650
8651         PR target/69706
8652         * config/sparc/sparc.c (NWORDS_UP): Rename to...
8653         (CEIL_NWORDS): ...this.  Use CEIL macro.
8654         (compute_fp_layout): Adjust to above renaming.
8655         (function_arg_union_value): Likewise.
8656         (sparc_arg_partial_bytes): Likewise.
8657         (sparc_function_arg_advance): Likewise.
8658
8659 2016-02-29  Jeff Law  <law@redhat.com>
8660
8661         PR tree-optimization/70005
8662         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
8663         where an object with a boolean range is compared against a value
8664         outside [0..1].
8665
8666         PR tree-optimization/69999
8667         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
8668         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
8669         loop cleanups.
8670
8671 2016-02-29  Richard Biener  <rguenther@suse.de>
8672
8673         PR tree-optimization/69994
8674         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
8675         (get_unary_op): Look through nop conversions.
8676         (ops_equal_values_p): New function, look for equality diregarding
8677         nop conversions.
8678         (eliminate_plus_minus_pair): Use ops_equal_values_p
8679         (repropagate_negates): Do not use get_unary_op here.
8680
8681 2016-02-29  Martin Liska  <mliska@suse.cz>
8682
8683         * system.h: Poison ENABLE_CHECKING macro.
8684
8685 2016-02-29  Martin Liska  <mliska@suse.cz>
8686
8687         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
8688         is presented in dump flags.
8689         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
8690         (hsa_regalloc): Likewise.
8691
8692 2016-02-19  Richard Biener  <rguenther@suse.de>
8693
8694         PR tree-optimization/69980
8695         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
8696         permutation of those we need to keep.
8697
8698 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8699
8700         PR target/69706
8701         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
8702         (NWORDS_UP): ...this
8703         (init_cumulative_args): Minor tweaks.
8704         (sparc_promote_function_mode): Likewise.
8705         (scan_record_type): Delete.
8706         (traverse_record_type): New function template.
8707         (classify_data_t): New structure type.
8708         (classify_registers): New inline function.
8709         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
8710         exhausted.  Instantiate traverse_record_type on classify_registers and
8711         deal with the case of a structure passed in slot #15 with no FP field
8712         in the first word.
8713         (assign_data_t): New structure type.
8714         (compute_int_layout): New static function.
8715         (compute_fp_layout): Likewise.
8716         (count_registers): New inline function.
8717         (assign_int_registers): New static function.
8718         (assign_fp_registers): Likewise.
8719         (assign_registers): New inline function.
8720         (function_arg_record_value_1): Delete.
8721         (function_arg_record_value_2): Likewise.
8722         (function_arg_record_value_3): Likewise.
8723         (function_arg_record_value): Adjust to above changes.  Instantiate
8724         traverse_record_type on count_registers to first count the number of
8725         registers to be used and then on assign_registers to assign them.
8726         (function_arg_union_value): Adjust to above renaming.
8727         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
8728         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
8729         case of a structure passed in slot #15
8730         (sparc_function_arg_advance): Likewise.
8731         (function_arg_padding): Minor tweak.
8732
8733 2016-02-29  Richard Biener  <rguenther@suse.de>
8734
8735         PR tree-optimization/69720
8736         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
8737         the adjustment_def path for possibly vectorized defs.
8738         (vect_create_epilog_for_reduction): Handle vectorized initial
8739         defs properly.
8740
8741 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
8742
8743         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
8744
8745 2016-02-27  Jeff Law  <law@redhat.com>
8746
8747         Revert
8748         2016-02-26  Richard Biener  <rguenther@suse.de>
8749                     Jeff Law  <law@redhat.com>
8750
8751         PR tree-optimization/69740
8752         * cfghooks.c (remove_edge): Request loop fixups if we delete
8753         an edge that might turn an irreducible loop into a natural
8754         loop.
8755
8756 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
8757
8758         PR rtl-optimization/69896
8759         * tree-vect-generic.c (get_compute_type): Avoid single element
8760         vector types.
8761
8762 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
8763
8764         Rename the AArch64 tuning option and related functions to enable the
8765         Newton series for the reciprocal square root to reflect its
8766         approximative characteristic.
8767
8768         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
8769         function to "aarch64_emit_approx_rsqrt".
8770         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
8771         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
8772         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
8773         (xgene1_tunings): Likewise.
8774         (use_rsqrt_p): Likewise.
8775         (aarch64_emit_swrsqrt): Use new function name.
8776         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
8777         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
8778         text explaining this option.
8779         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
8780
8781 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
8782
8783         PR target/69969
8784         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
8785         complain about -mallow-movmisalign without -mvsx if
8786         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
8787
8788 2016-02-26  Joel Sherrill  <joel@rtems.org>
8789
8790         * config.gcc: Add x86_64-*-rtems*.
8791         * config/i386/rtems-64.h: New file.
8792
8793 2016-02-26  Joel Sherrill  <joel@rtems.org>
8794
8795         * config.gcc: Add aarch64-*-rtems*.
8796         * config/aarch64/rtems.h: New file.
8797
8798 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
8799
8800         PR target/69946
8801         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
8802         shift amount using %h.  Add comment.
8803
8804 2016-02-26  Richard Biener  <rguenther@suse.de>
8805             Jeff Law  <law@redhat.com>
8806
8807         PR tree-optimization/69740
8808         * cfghooks.c (remove_edge): Request loop fixups if we delete
8809         an edge that might turn an irreducible loop into a natural
8810         loop.
8811
8812 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8813
8814         PR middle-end/69920
8815         * tree-sra.c (sra_modify_assign): Do not remove loads of
8816         uninitialized aggregates to SSA_NAMEs.
8817
8818 2016-02-26  Richard Henderson  <rth@redhat.com>
8819
8820         PR target/69709
8821         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
8822         pseudo in case the target rtx matches the source of the left
8823         shift.
8824
8825 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8826
8827         PR hsa/69568
8828         * hsa.h (hsa_type_packed_p): Declare.
8829         * hsa.c (hsa_type_packed_p): New function.
8830         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
8831         loads.
8832         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
8833         * hsa-brig.c (emit_basic_insn): Likewise.
8834
8835 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8836
8837         pr hsa/69674
8838         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
8839         pointers.
8840         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
8841
8842 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8843
8844         * hsa.h (is_a_helper): New overload for hsa_op_immed for
8845         hsa_op_with_type operands.
8846         (hsa_unsigned_type_for_type): Declare.
8847         * hsa.c (hsa_unsigned_type_for_type): New function.
8848         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
8849         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
8850         the finalizer.  Do not emit extra move.
8851
8852 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8853
8854         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
8855         atomic operations in private segment.
8856
8857 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8858
8859         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
8860         statements to wi->info.  Also disallow omp simd constructs.
8861         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
8862         for not gridifying.  Dump special string for omp_for.
8863
8864 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8865
8866         PR target/69245
8867         * config/aarch64/aarch64.c (aarch64_set_current_function):
8868         Save/restore target globals when switching to
8869         target_option_default_node.
8870
8871 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8872
8873         PR target/69613
8874         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
8875         Return 0 if !SHIFT_COUNT_TRUNCATED.
8876
8877 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
8878             Eric Botcazou  <ebotcazou@adacore.com>
8879
8880         PR rtl-optimization/69891
8881         * dse.c (scan_insn): If we can't figure out memset arguments
8882         or they are non-constant, call clear_rhs_from_active_local_stores.
8883
8884 2016-02-26  Martin Liska  <mliska@suse.cz>
8885
8886         * doc/extend.texi: Mention clog10, clog10f an clog10l
8887         in Builtins section.
8888
8889 2016-02-26  Martin Liska  <mliska@suse.cz>
8890
8891         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
8892         CHECKING_P.
8893         (resolve_args_picking_1): Likewise.
8894         * dwarf2out.h (struct GTY): Likewise.
8895
8896 2016-02-26  Martin Liska  <mliska@suse.cz>
8897
8898         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
8899         with flag_checking.
8900         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
8901
8902 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
8903             Martin Liska  <mliska@suse.cz>
8904
8905         * doc/install.texi: Mention --enable-valgrind-annotations.
8906
8907 2016-02-26  Richard Biener  <rguenther@suse.de>
8908
8909         PR tree-optimization/69551
8910         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
8911         looking through aliases adjust DECL_PT_UID to refer to the
8912         ultimate alias target.
8913
8914 2016-02-25  Martin Liska  <mliska@suse.cz>
8915
8916         PR middle-end/69919
8917         * alloc-pool.c (after_memory_report): New variable.
8918         * alloc-pool.h (base_pool_allocator ::release): Do not use
8919         the infrastructure if after_memory_report.
8920         * toplev.c (toplev::main): Mark after memory report.
8921
8922 2016-02-25  Richard Biener  <rguenther@suse.de>
8923
8924         PR tree-optimization/48795
8925         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
8926
8927 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
8928
8929         PR driver/68463
8930         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
8931         offloading is enabled and -fopenacc or -fopenmp is specified.
8932         (CRTOFFLOADEND): Likewise.
8933         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
8934         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
8935         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
8936         (offload_objects_file_name): New static var.
8937         (tool_cleanup): Remove offload_objects_file_name file.
8938         (find_offloadbeginend): Replace with ...
8939         (find_crtoffloadtable): ... this.
8940         (run_gcc): Remove offload_argc and offload_argv.
8941         Get offload_objects_file_name from -foffload-objects=... option.
8942         Read names of object files with offload from this file, pass them to
8943         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
8944         don't pass offloadbegin and offloadend to the linker.  Don't pass
8945         offload non-LTO files to the linker, because now they're not claimed.
8946
8947 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
8948
8949         PR ipa/69630
8950         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
8951         on builtin_unreachable.
8952
8953 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
8954
8955         PR rtl-optimization/69896
8956         * regcprop.c: Include cfgrtl.h.
8957         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
8958         than remembered mode, either delete it (if noop_move_p), or
8959         treat like copy_p but not noop_p instruction.
8960
8961 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8962
8963         PR debug/69705
8964         * dwarf2out.c (gen_variable_die): Work around buggy LTO
8965         - allow NULL decl for Fortran DW_TAG_common_block variables.
8966
8967 2016-02-24  Jason Merrill  <jason@redhat.com>
8968
8969         * common.opt (flifetime-dse): Add -flifetime-dse=1.
8970
8971 2016-02-24  Richard Biener  <rguenther@suse.de>
8972             Jakub Jelinek  <jakub@redhat.com>
8973
8974         PR middle-end/69760
8975         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
8976         conditionally executed ops to well-defined overflow behavior.
8977
8978 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8979
8980         PR middle-end/69915
8981         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
8982         elements.
8983
8984 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8985
8986         PR rtl-optimization/69886
8987         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
8988         argument.  Use it when checking validity of set instructions.
8989         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
8990         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
8991         callsite.
8992         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
8993         * store-motion.c (find_moveable_store): Update
8994         can_assign_to_reg_without_clobbers_p callsite.
8995
8996 2016-02-24  Richard Biener  <rguenther@suse.de>
8997
8998         PR middle-end/68963
8999         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
9000         bogus check.
9001         (record_nonwrapping_iv): Do not fall back to the low/high bound
9002         for non-constant IV bases if the stmt is not always executed.
9003
9004 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9005
9006         * config/arm/arm-cores.def (cortex-a32): New entry.
9007         * config/arm/arm-tables.opt: Regenerate.
9008         * config/arm/arm-tune.md: Regenerate.
9009         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
9010         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
9011         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
9012         for -mcpu and -mtune.
9013
9014 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9015
9016         PR target/69875
9017         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
9018         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
9019         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
9020         (atomic_loaddi_1): Delete.
9021         (atomic_loaddi): Rewrite expander using the above changes.
9022
9023 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
9024
9025         PR c/69918
9026         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
9027         2 to 3.
9028
9029 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
9030             Richard Biener  <rguenth@suse.de>
9031
9032         PR middle-end/69909
9033         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
9034         set_mem_attributes if tem is SSA_NAME which got expanded
9035         as a MEM.
9036
9037 2016-02-24  Richard Biener  <rguenther@suse.de>
9038
9039         PR tree-optimization/69907
9040         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
9041         end of permutations for BB vectorization.
9042
9043 2016-02-24  Christian Bruel  <christian.bruel@st.com>
9044
9045         * config/arm/arm-c.c (arm_option_override): Initialize
9046         target_option_current_node.
9047         * config/arm/arm.c (arm_pragma_target_parse): Replace
9048         build_target_option_node call by target_option_current_node.
9049         Set target_option_current_node.
9050         Fix comments.
9051
9052 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
9053
9054         PR target/69810
9055         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
9056         define_insn_and_split to define_insn.
9057         (zero_extendqi<mode>2_dot2): Same.
9058         (extendqi<mode>2_dot): Same.
9059         (extendqi<mode>2_dot2): Same.
9060
9061 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
9062
9063         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
9064         and add bypass for AES{D,E} and AESMC pairs.
9065         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
9066         and AESMC pairs.
9067
9068 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
9069
9070         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
9071         series for reciprocal square root in Exynos M1.
9072
9073 2016-02-23  Martin Sebor  <msebor@redhat.com>
9074
9075         PR c/69759
9076         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
9077         __builtin_alloca_with_align.
9078
9079 2016-02-23  Richard Henderson  <rth@redhat.com>
9080
9081         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
9082         (ix86_register_pragmas): Remove __seg_tls.
9083         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
9084         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
9085         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
9086         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
9087         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
9088         * doc/extend.texi (__seg_tls): Remove item.
9089
9090 2016-02-23  Richard Biener  <rguenther@suse.de>
9091
9092         * alloc-pool.h (struct allocation_object): Make id member
9093         conditional on CHECKING_P again.
9094         (get_instance): Adjust.
9095         (base_pool_allocator): Likewise.
9096
9097 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
9098
9099         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
9100         (parallelize_loops): In OpenACC kernels mode, set n_threads to
9101         zero.
9102         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
9103         flag_openacc.
9104         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
9105
9106 2016-02-23  Richard Biener  <rguenther@suse.de>
9107
9108         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
9109         * bitmap.h (struct bitmap_usage): Likewise.
9110         (bitmap_move): Declare.
9111         * bitmap.c (register_overhead): Take size_t argument.
9112         (bitmap_move): New function.
9113         * df-problems.c (df_rd_transfer_function): Use bitmap_move
9114         to properly account overhead.
9115         * tree.c (free_node): Use tree_size.
9116
9117 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
9118
9119         PR c++/69902
9120         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
9121         when inverting comparison.
9122
9123         PR c/69900
9124         * common.opt (Wunreachable-code): Add Warning flag.
9125
9126 2016-02-23  Mark Wielaard  <mjw@redhat.com>
9127             Jakub Jelinek  <jakub@redhat.com>
9128
9129         PR c/69911
9130         * cgraphunit.c (check_global_declaration): Check main_input_filename
9131         and DECL_SOURCE_FILE are not NULL.
9132
9133 2016-02-23  Martin Jambor  <mjambor@suse.cz>
9134
9135         PR tree-optimization/69666
9136         * tree-sra.c (sra_modify_assign): Do not attempt to create
9137         default_def replacements for unscalarizable regions.
9138
9139 2016-02-20  Mark Wielaard  <mjw@redhat.com>
9140
9141         PR c/28901
9142         * cgraphunit.c (check_global_declaration): Check level of
9143         warn_unused_const_variable and main_input_filename.
9144         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
9145         (-Wunused-variable): For C implies -Wunused-const-variable=1.
9146         (-Wunused-const-variable): Explain levels 1 and 2.
9147
9148 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
9149
9150         PR target/69888
9151         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
9152         identical arguments.  Formatting and spelling fixes.
9153
9154         PR target/69885
9155         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
9156         be specified.
9157
9158         PR target/69894
9159         PR target/69895
9160         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
9161         and m68k-devices.def.
9162         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
9163         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
9164
9165 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
9166
9167         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
9168         and HImode registers.
9169
9170 2016-02-22  Richard Biener  <rguenther@suse.de>
9171
9172         PR tree-optimization/69882
9173         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
9174         preserve permutations present because of gaps.
9175         (vect_supported_load_permutation_p): Always continue checking
9176         permutations after vect_attempt_slp_rearrange_stmts.
9177
9178 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
9179
9180         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
9181         min_profitable_estimate, rather than min_profitable_iters.
9182
9183 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
9184
9185         PR target/69885
9186         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
9187         SImode for last match_operand.
9188
9189 2016-02-22  Martin Liska  <mliska@suse.cz>
9190
9191         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
9192         return bitsize - 1 as the return value.
9193
9194 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
9195
9196         PR target/69806
9197         PR target/54089
9198         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
9199         Handle negative shift counts.
9200         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
9201         force_reg on the shift constant.
9202         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
9203         (lshrsi3_d): Handle negative shift counts.
9204
9205 2016-02-22  Richard Biener  <rguenther@suse.de>
9206             Tom de Vries  <tom@codesourcery.com>
9207
9208         * graph.c: Include dumpfile.h.
9209         (print_graph_cfg): Split into three overloads.
9210         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
9211
9212 2016-02-22  Tom de Vries  <tom@codesourcery.com>
9213
9214         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
9215         dump-fn.
9216
9217 2016-02-22  Richard Biener  <rguenther@suse.de>
9218
9219         PR ipa/37448
9220         * ipa-inline-transform.c (inline_call): When not updating
9221         overall summaries adjust self size by the growth estimate.
9222         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
9223         hash-set, do not update overall summaries here.  Renamed from ...
9224         (inline_to_all_callers): ... this which is now wrapping the
9225         above and performing delayed overall summary update.
9226         (early_inline_small_functions): Delay updating of the overall
9227         summary.
9228
9229 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
9230
9231         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
9232         variable.
9233
9234 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
9235
9236         PR driver/69805
9237         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
9238         :%* in %:gt() argument.
9239         (greater_than_spec_func): Adjust for expecting only numbers,
9240         if there are more than two numbers, compare the last two.
9241
9242 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
9243
9244         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
9245         -Wnarrowing with -std.
9246
9247 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
9248
9249         PR c++/69851
9250         * expr.c (store_field): Don't use bit-field path if exp is
9251         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
9252         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
9253         and the assignment can be performed by bitwise copy.  Formatting
9254         fix.
9255
9256         PR middle-end/69838
9257         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
9258         call copy_reg_eh_region_note_forward on before and/or after sequences
9259         and remove note from insn if it no longer can throw.
9260
9261         PR target/69820
9262         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
9263         if TARGET_AVX512BW.
9264
9265 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9266
9267         * config/s390/vector.md: Add missing commutative operand markers
9268         to the patterns which qualify for one.
9269         * config/s390/vx-builtins.md: Likewise.
9270
9271 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9272
9273         * config/s390/vector.md (VI, VI_QHS): Add single element vector
9274         types to mode iterators.
9275         (vec_double): ... and mode attribute.
9276         * config/s390/vx-builtins.md (non_vec_int): Likewise.
9277
9278 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9279
9280         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
9281         Change the predicate of op2 from nonimmediate to general and let
9282         reload fix it if necessary.
9283
9284 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9285
9286         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
9287
9288 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9289
9290         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
9291         mode.
9292
9293 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9294
9295         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
9296         * config/s390/s390.c (s390_expand_vec_movstr): New function.
9297         * config/s390/s390.md ("movstr<P:mode>"): Call
9298         s390_expand_vec_movstr.
9299
9300 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9301
9302         * config/s390/s390.md: Add missing output modifier for operand 1
9303         to print it as address properly.
9304
9305 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9306
9307         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
9308         * config/s390/2964.md: New file.
9309         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
9310         of insn grouping attributes depending on the CPU level.
9311         (s390_get_unit_mask): New function.
9312         (s390_sched_score): Remove the OOO from the scheduling macros.
9313         Add loop to calculate a score for the instruction mix.
9314         (s390_sched_reorder): Likewise plus improve debug output.
9315         (s390_sched_variable_issue): Rename macros as above.  Calculate
9316         the unit distances after actually scheduling an insn.  Improve
9317         debug output.
9318         (s390_sched_init): Clear last_scheduled_unit_distance array.
9319         * config/s390/s390.md: Include 2964.md.
9320
9321 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
9322
9323         PR target/69671
9324         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
9325         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
9326         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
9327         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
9328         *avx512f_<code>v8div16qi2_mask_1): New insns.
9329
9330 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
9331
9332         PR target/68404
9333         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
9334         2016-02-09 change.
9335
9336         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
9337         earlyclobber from target.  Use wF constraint for fused memory
9338         address.
9339         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
9340
9341 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
9342             Martin Liska  <mliska@suse.cz>
9343
9344         PR sanitizer/69863
9345         * cfgexpand.c (asan_sanitize_stack_p): New function.
9346         (partition_stack_vars): Use the function.
9347         (expand_stack_vars): Likewise.
9348         (defer_stack_allocation): Likewise.
9349         (expand_used_vars): Likewise.
9350
9351 2016-02-18  Richard Biener  <rguenther@suse.de>
9352
9353         PR middle-end/69553
9354         * fold-const.c (operand_equal_p): Properly compare offsets for
9355         IMAGPART_EXPR and ARRAY_REF.
9356
9357 2016-02-18  Nick Clifton  <nickc@redhat.com>
9358
9359         PR target/62254
9360         PR target/69610
9361         * config/arm/arm.c (arm_option_override_internal): Disable
9362         interworking if the target does not support thumb instructions.
9363         (arm_reload_in_hi): Handle the case where a register to register
9364         move needs reloading because there is no simple pattern to handle
9365         it.
9366         (arm_reload_out_hi): Likewise.
9367
9368 2016-02-18  Richard Biener  <rguenther@suse.de>
9369
9370         PR middle-end/69854
9371         * match.pd: Don't use fold_binary or fold_unary for folding
9372         constants.
9373
9374 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
9375
9376         PR c++/69850
9377         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
9378         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
9379         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
9380         warn on gimple_no_warning_p statements.
9381
9382 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
9383
9384         * doc/extend.texi (C++ Attributes): Correct description of
9385         warn_unused type attribute.
9386
9387 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9388
9389         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
9390         correct instruction.
9391
9392 2016-02-17  Richard Biener  <rguenther@suse.de>
9393
9394         PR rtl-optimization/69609
9395         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
9396         (find_traces_1_round): When ending a trace update cached priority
9397         of successors.
9398         (bb_to_key): Use cached priority when available.
9399         (copy_bb): Initialize cached priority.
9400         (reorder_basic_blocks_software_trace_cache): Likewise.
9401
9402 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9403
9404         PR target/69161
9405         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
9406         New predicate.
9407         (aarch64_comparison_operator): Break overly long line into two.
9408         (aarch64_comparison_operation): Likewise.
9409         * config/aarch64/aarch64.md (cstorecc4): Use
9410         aarch64_comparison_operator_mode instead of
9411         aarch64_comparison_operator.
9412         (cstore<mode>4): Likewise.
9413         (aarch64_cstore<mode>): Likewise.
9414         (*cstoresi_insn_uxtw): Likewise.
9415         (cstore<mode>_neg): Likewise.
9416         (*cstoresi_neg_uxtw): Likewise.
9417
9418 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9419
9420         PR target/69161
9421         * config/arm/predicates.md (arm_comparison_operator_mode):
9422         New predicate.
9423         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
9424         instead of arm_comparison_operator.
9425         (*mov_negscc): Likewise.
9426         (*mov_notscc): Likewise.
9427         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
9428         (*thumb2_mov_negscc): Likewise.
9429         (*thumb2_mov_negscc_strict_it): Likewise.
9430         (*thumb2_mov_notscc): Likewise.
9431         (*thumb2_mov_notscc_strict_it): Likewise.
9432
9433 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
9434
9435         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
9436         Add missing return.
9437
9438 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
9439
9440         * config/visium/visium.c (machine_libfunc_index): New enum.
9441         (machine_libfuncs): New structure.
9442         (visium_libfuncs): New static variable.
9443         (TARGET_INIT_LIBFUNCS): Define to...
9444         (visium_init_libfuncs): ...this.  New function.
9445         (expand_block_move_4): Use the appropriate libfunc.
9446         (expand_block_move_2): Likewise.
9447         (expand_block_move_1): Likewise.
9448         (expand_block_set_4): Likewise.
9449         (expand_block_set_2): Likewise.
9450         (expand_block_set_1): Likewise.
9451         (visium_trampoline_init): Likewise.
9452
9453 2016-02-17  Nick Clifton  <nickc@redhat.com>
9454
9455         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
9456         TI's devices.csv file as of March 2016.
9457
9458 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9459
9460         PR Target/48344
9461         * opts-global.c (handle_common_deferred_options): Introduce and
9462         initialize two global variables to remember command-line options
9463         specifying a stack-limiting register.
9464         * opts.h: Add extern declarations of the two new global variables.
9465         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
9466         variable based on the values of the two new global variables.
9467
9468 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9469
9470         PR c/69835
9471         * common.opt (Wnonnull-compare): New warning.
9472         * doc/invoke.texi (-Wnonnull): Remove text about comparison
9473         of arguments against NULL.
9474         (-Wnonnull-compare): Document.
9475         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
9476         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
9477         * passes.def (pass_warn_nonnull_compare): Add.
9478         * gimple-ssa-nonnull-compare.c: New file.
9479
9480 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9481
9482         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
9483         AARCH64_EXTRA_TUNE_RECIP_SQRT.
9484
9485 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9486
9487         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
9488         reciprocal sqrt for -mlow-precision-recip-sqrt.
9489
9490 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9491             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9492
9493         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
9494         always use lane loads to construct non-constant vectors.
9495
9496 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9497
9498         * config/aarch64/aarch64.md
9499         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
9500         constraints for operand 3.
9501         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
9502
9503 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9504             Richard Biener  <rguenther@suse.de>
9505
9506         PR tree-optimization/69820
9507         * tree-vect-patterns.c (type_conversion_p): Return false if
9508         *orig_type is unsigned single precision or boolean.
9509         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
9510         Formatting fix.
9511
9512 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9513
9514         PR rtl-optimization/69764
9515         PR rtl-optimization/69771
9516         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
9517         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
9518
9519 2016-02-16  Richard Biener  <rguenther@suse.de>
9520
9521         PR tree-optimization/69776
9522         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
9523         sets from caller.
9524         (indirect_refs_may_alias_p): Likewise.
9525         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
9526         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
9527         according to tbaa_p.
9528         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
9529         (optimize_stmt): For redundant store discovery do not allow tbaa.
9530
9531 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
9532
9533         PR tree-optimization/69714
9534         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
9535         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
9536
9537 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
9538
9539         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
9540         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
9541         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
9542         * config/arc/arc.c (arc_init): Check FPU options.
9543         (get_arc_condition_code): Handle new CC_FPU* modes.
9544         (arc_select_cc_mode): Likewise.
9545         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
9546         register pair only. Allow access for ARCv2 accumulator.
9547         (gen_compare_reg): Whenever we have FPU support use FPU compare
9548         instructions.
9549         (arc_reorg): Don't generate brcc insns when FPU compare
9550         instructions are involved.
9551         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
9552         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
9553         floating point emulation.
9554         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
9555         (REVERSE_CONDITION): Add new CC_FPU* modes.
9556         (TARGET_FP_SP_BASE): Define.
9557         (TARGET_FP_DP_BASE): Likewise.
9558         (TARGET_FP_SP_FUSED): Likewise.
9559         (TARGET_FP_DP_FUSED): Likewise.
9560         (TARGET_FP_SP_CONV): Likewise.
9561         (TARGET_FP_DP_CONV): Likewise.
9562         (TARGET_FP_SP_SQRT): Likewise.
9563         (TARGET_FP_DP_SQRT): Likewise.
9564         (TARGET_FP_DP_AX): Likewise.
9565         * config/arc/arc.md (ARCV2_ACC): New constant.
9566         (type): New fpu type attribute.
9567         (SDF): Conditional iterator.
9568         (cstore<mode>, cbranch<mode>): Change expand condition.
9569         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
9570         handles FPU/FPX cases as well.
9571         * config/arc/arc.opt (mfpu): New option.
9572         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
9573         Renamed.
9574         (adddf3, muldf3, subdf3): Removed.
9575         * config/arc/predicates.md (proper_comparison_operator): Recognize
9576         CC_FPU* modes.
9577         * config/arc/fpu.md: New file.
9578         * doc/invoke.texi (ARC Options): Document mfpu option.
9579
9580 2016-02-16  Richard Biener  <rguenther@suse.de>
9581
9582         PR rtl-optimization/69291
9583         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
9584         noce_operand_ok check.
9585
9586 2016-02-16  Tom de Vries  <tom@codesourcery.com>
9587
9588         PR lto/67709
9589         * omp-low.c (simd_clone_create): Remove call to
9590         symtab->call_cgraph_insertion_hooks.
9591
9592 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9593
9594         PR tree-optimization/69802
9595         * tree-ssa-reassoc.c (update_range_test): If op is
9596         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
9597         op == 1 test of precision 1 integral op, otherwise handle
9598         that case as op itself.  Fix up formatting.
9599         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
9600         up formatting.
9601
9602 2016-02-16  Richard Biener  <rguenther@suse.de>
9603
9604         PR tree-optimization/69586
9605         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
9606         types for conversion sources.
9607
9608 2016-02-16  Richard Biener  <rguenther@suse.de>
9609
9610         PR middle-end/69801
9611         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
9612         mask OEP_ADDRESS_OF.
9613
9614 2016-02-16  Alan Modra  <amodra@gmail.com>
9615
9616         PR target/68973
9617         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
9618         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
9619         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
9620         (p8_mtvsrwz): New.
9621         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
9622         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
9623         (p8_fmrgow_<mode>): Likewise.
9624         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
9625         changes.
9626         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
9627         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
9628         to use movdi_internal64.  Remove op0_di.
9629         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
9630
9631 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
9632
9633         Add support for the FCCMP insn types
9634
9635         * config/aarch64/aarch64.md (fccmp): Change insn type.
9636         (fccmpe): Likewise.
9637         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
9638         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
9639         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
9640         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
9641         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
9642         * config/arm/types.md (fccmps): Add new insn type.
9643         (fccmpd): Likewise.
9644
9645 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9646
9647         * alias.c (get_alias_set): Fix a typo in comment.
9648
9649 2016-02-15  Richard Biener  <rguenther@suse.de>
9650
9651         PR tree-optimization/69595
9652         * match.pd: Complete range test simplification to true.
9653
9654 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
9655
9656         PR rtl-optimization/69648
9657         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
9658         pic_offset_table_rtx.
9659
9660         PR rtl-optimization/69752
9661         * ira.c (update_equiv_regs): When looking for more than a single SET,
9662         also take other side effects into account.
9663
9664 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
9665
9666         * config/s390/s390.c (s390_function_profiler): Add a new sequence
9667         for z900+ CPUs in 31-bit mode.
9668
9669 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
9670
9671         * common/config/s390/s390-common.c (s390_supports_split_stack):
9672         New function.
9673         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
9674         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
9675         * config/s390/s390.c (struct machine_function): New field
9676         split_stack_varargs_pointer.
9677         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
9678         in s390_emit_prologue.
9679         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
9680         vararg pointer.
9681         (morestack_ref): New global.
9682         (SPLIT_STACK_AVAILABLE): New macro.
9683         (s390_expand_split_stack_prologue): New function.
9684         (s390_live_on_entry): New function.
9685         (s390_va_start): Use split-stack vararg pointer if appropriate.
9686         (s390_asm_file_end): Emit the split-stack note sections.
9687         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
9688         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
9689         (UNSPECV_SPLIT_STACK_CALL): New unspec.
9690         (UNSPECV_SPLIT_STACK_DATA): New unspec.
9691         (split_stack_prologue): New expand.
9692         (split_stack_space_check): New expand.
9693         (split_stack_data): New insn.
9694         (split_stack_call): New expand.
9695         (split_stack_call_*): New insn.
9696         (split_stack_cond_call): New expand.
9697         (split_stack_cond_call_*): New insn.
9698
9699 2016-02-15  Richard Biener  <rguenther@suse.de>
9700
9701         PR tree-optimization/69783
9702         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
9703         Add trivially correct cases.
9704
9705 2016-02-15  Tom de Vries  <tom@codesourcery.com>
9706
9707         PR lto/69655
9708         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
9709         do_force_output.
9710         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
9711
9712 2016-02-15  Richard Biener  <rguenther@suse.de>
9713
9714         PR tree-optimization/69776
9715         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
9716         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
9717         indicate whether we can use TBAA to disambiguate against stores.
9718         Use alias-set zero if not.
9719         (visit_reference_op_store): Do not use TBAA when looking up
9720         redundant stores.
9721         * tree-ssa-pre.c (compute_avail): Use TBAA here.
9722         (eliminate_dom_walker::before_dom_children): But not when looking
9723         up redundant stores.
9724
9725 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
9726
9727         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
9728
9729 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
9730
9731         *  config/i386/znver1.md
9732         (znver1_pop, znver1_pop_mem,
9733         znver1_load_imov_double_store,
9734         znver1_load_imov_direct_store,
9735         znver1_load_imov_direct_load,
9736         znver1_load_imov_double_load): Add new.
9737         (znver1_insn, znver1_insn_load): Add icmov type.
9738         (znver1_sseavx_fma,
9739         znver1_sseavx_fma_load,
9740         znver1_avx256_fma,
9741         znver1_avx256_fma_load): Fix pipe usage.
9742
9743 2016-02-14  Alan Modra  <amodra@gmail.com>
9744
9745         PR target/68973
9746         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
9747         with an invalid hard reg, reload just the reg not the entire
9748         pre/post-inc/dec address expression.
9749
9750 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
9751
9752         PR target/67260
9753         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
9754         fixed R1_REG scratch reg.
9755         (sibcall_value_pcrel_fdpic): Likewise.
9756
9757 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
9758
9759         PR target/67636
9760         PR target/64345
9761         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
9762
9763 2016-02-12  Walter Lee  <walt@tilera.com>
9764
9765         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
9766         * config/tilegx/t-tilegx: Likewise.
9767
9768 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9769
9770         PR other/69554
9771         * diagnostic-show-locus.c (struct line_span): New struct.
9772         (layout::get_first_line): Delete.
9773         (layout::get_last_line): Delete.
9774         (layout::get_num_line_spans): New member function.
9775         (layout::get_line_span): Likewise.
9776         (layout::print_heading_for_line_span_index_p): Likewise.
9777         (layout::get_expanded_location): Likewise.
9778         (layout::calculate_line_spans): Likewise.
9779         (layout::m_first_line): Delete.
9780         (layout::m_last_line): Delete.
9781         (layout::m_line_spans): New field.
9782         (layout::layout): Update comment.  Replace m_first_line and
9783         m_last_line with m_line_spans, replacing their initialization
9784         with a call to calculate_line_spans.
9785         (diagnostic_show_locus): When printing source lines and
9786         annotations, rather than looping over a single span
9787         of lines, instead loop over each line_span within
9788         the layout, with an inner loop over the lines within them.
9789         Call the context's start_span callback when changing line spans.
9790         * diagnostic.c (diagnostic_initialize): Initialize start_span.
9791         (diagnostic_build_prefix): Break out the building of the location
9792         part of the string into...
9793         (diagnostic_get_location_text): ...this new function, rewriting
9794         it from nested ternary expressions to a sequence of "if"
9795         statements.
9796         (default_diagnostic_start_span_fn): New function.
9797         * diagnostic.h (diagnostic_start_span_fn): New typedef.
9798         (diagnostic_context::start_span): New field.
9799         (default_diagnostic_start_span_fn): New prototype.
9800
9801 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9802
9803         PR driver/69779
9804         * gcc.c (driver::finalize): Fix cleanup of "specs".
9805
9806 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9807
9808         PR driver/69265
9809         PR driver/69453
9810         * gcc.c (driver::driver): Initialize m_option_suggestions.
9811         (driver::~driver): Clean up m_option_suggestions.
9812         (suggest_option): Convert to...
9813         (driver::suggest_option): ...this, and split out into
9814         driver::build_option_suggestions and find_closest_string.
9815         (driver::build_option_suggestions): New function, from
9816         first half of suggest_option.  Special-case
9817         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
9818         the sanitizer_opts array.  For options of enum types, add the
9819         various enum values to the candidate strings.
9820         (driver::handle_unrecognized_options): Remove "const".
9821         * gcc.h (driver::handle_unrecognized_options): Likewise.
9822         (driver::build_option_suggestions): New decl.
9823         (driver::suggest_option): New decl.
9824         (driver::m_option_suggestions): New field.
9825         * opts-common.c (add_misspelling_candidates): New function.
9826         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
9827         and make non-static.
9828         * opts.h (sanitizer_opts): New array decl.
9829         (add_misspelling_candidates): New function decl.
9830         * spellcheck.c (find_closest_string): New function.
9831         * spellcheck.h (find_closest_string): New function decl.
9832
9833 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9834
9835         PR rtl-optimization/69764
9836         PR rtl-optimization/69771
9837         * optabs.c (expand_binop_directly): For shift_optab_p, force
9838         convert_modes with VOIDmode if xop1 has VOIDmode.
9839
9840 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
9841
9842         PR target/69729
9843         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
9844         to correctly determine instrumentation thunks.
9845
9846 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9847
9848         PR ipa/69241
9849         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
9850         type by reference, force lhs on the call.
9851
9852         PR ipa/68672
9853         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
9854         Compute retval and retbnd early in all cases if split_part_return_p
9855         and return_bb is not EXIT.  Remove all clobber stmts and reset
9856         all debug stmts that refer to SSA_NAMEs defined in split part,
9857         except if it is retval, in that case replace the old retval with the
9858         lhs of the call to the split part.
9859
9860 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9861
9862         revert:
9863         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9864
9865         PR middle-end/66726
9866         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
9867         whose result is used in PHI.
9868         (maybe_optimize_range_tests): Likewise.
9869         (final_range_test_p): Likweise.
9870
9871 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9872
9873         PR middle-end/66726
9874         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
9875         whose result is used in PHI.
9876         (maybe_optimize_range_tests): Likewise.
9877         (final_range_test_p): Likweise.
9878
9879 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9880
9881         * cgraph.c: Spelling fixes - behaviour -> behavior and
9882         neighbour -> neighbor.
9883         * target.def: Likewise.
9884         * sel-sched.c: Likewise.
9885         * config/mips/mips.c: Likewise.
9886         * config/arc/arc.md: Likewise.
9887         * config/arm/cortex-a57.md: Likewise.
9888         * config/arm/arm.c: Likewise.
9889         * config/arm/neon.md: Likewise.
9890         * config/arm/arm-c.c: Likewise.
9891         * config/vms/vms-c.c: Likewise.
9892         * config/s390/s390.c: Likewise.
9893         * config/i386/znver1.md: Likewise.
9894         * config/i386/i386.c: Likewise.
9895         * config/ia64/hpux-unix2003.h: Likewise.
9896         * config/msp430/msp430.md: Likewise.
9897         * config/rx/rx.c: Likewise.
9898         * config/rx/rx.md: Likewise.
9899         * config/aarch64/aarch64-simd.md: Likewise.
9900         * config/aarch64/aarch64.c: Likewise.
9901         * config/nvptx/nvptx.c: Likewise.
9902         * config/bfin/bfin.c: Likewise.
9903         * config/cris/cris.opt: Likewise.
9904         * config/rs6000/rs6000.c: Likewise.
9905         * target.h: Likewise.
9906         * spellcheck.c: Likewise.
9907         * ira-build.c: Likewise.
9908         * tree-inline.c: Likewise.
9909         * builtins.c: Likewise.
9910         * lra-constraints.c: Likewise.
9911         * explow.c: Likewise.
9912         * hwint.h: Likewise.
9913         * targhooks.c: Likewise.
9914         * tree-vect-data-refs.c: Likewise.
9915         * expr.c: Likewise.
9916         * doc/tm.texi: Likewise.
9917         * doc/extend.texi: Likewise.
9918         * doc/install.texi: Likewise.
9919         * doc/md.texi: Likewise.
9920         * tree-ssa-tail-merge.c: Likewise.
9921         * sched-int.h: Likewise.
9922         * match.pd: Likewise.
9923         * sched-ebb.c: Likewise.
9924         * target.def (omit_struct_return_reg): Likewise.
9925         * gimple-ssa-isolate-paths.c: Likewise.
9926         (find_implicit_erroneous_behaviour): Renamed to...
9927         (find_implicit_erroneous_behavior): ... this.
9928         (find_explicit_erroneous_behaviour): Renamed to...
9929         (find_explicit_erroneous_behavior): ... this.
9930         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
9931
9932 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
9933
9934         PR rtl-optimization/64682
9935         PR rtl-optimization/69567
9936         PR rtl-optimization/69737
9937         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
9938         in I2 as well, just lose it.
9939
9940 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9941
9942         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
9943         New variable.
9944         (aarch64_last_printed_tune_string): Likewise.
9945         (aarch64_declare_function_name): Only output .arch assembler
9946         directive if it will be different from the previously output
9947         directive.  Same for .tune comment but only if -dA is set.
9948         (aarch64_start_file): New function.
9949         (TARGET_ASM_FILE_START): Define.
9950
9951 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
9952
9953         PR plugins/69758
9954         * Makefile.in (PLUGIN_HEADERS): Add params.list.
9955
9956 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
9957
9958         PR target/65313
9959         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
9960         -Wmaybe-uninitialized warning.
9961
9962 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
9963
9964         PR target/69713
9965         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
9966
9967 2016-02-11  Richard Biener  <rguenther@suse.de>
9968
9969         PR rtl-optimization/69291
9970         * ifcvt.c (noce_try_store_flag_constants): Do not allow
9971         subexpressions affected by changing the result.
9972
9973 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
9974
9975         PR target/69148
9976         * lra-constraints.c (curr_insn_transform): Find in/out operands
9977         for secondary memory moves.  Update dups.
9978
9979 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
9980
9981         PR tree-optimization/69652
9982         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
9983         to nested loop, did source re-formatting, skip debug statements,
9984         add check on statement with volatile operand, remove dead scalar
9985         statements.
9986
9987 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
9988             Patrick Palka  <ppalka@gcc.gnu.org>
9989
9990         PR ipa/69241
9991         PR c++/69649
9992         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
9993         calls if the return type is TREE_ADDRESSABLE.
9994         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
9995         * ipa-split.c (split_function): Fix doubled "we" in comment.
9996         Use void return type for the split part even if
9997         !split_point->split_part_set_retval.
9998
9999 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
10000
10001         PR tree-optimization/68021
10002         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
10003         when computing the value of biv cand by itself.
10004
10005 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
10006
10007         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
10008         (cortexa57_tunings): Likewise.
10009         (cortexa72_tunings): Likewise.
10010         (arch_macro_fusion_pair_p): Add support for AES fusion.
10011         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
10012         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
10013         Allow virtual registers before reload so early scheduling works.
10014         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
10015         correct latency and pipeline.
10016         (cortex_a57_crypto_complex): Likewise.
10017         (cortex_a57_crypto_xor): Likewise.
10018         (define_bypass): Add AES bypass.
10019
10020 2016-02-10  Richard Biener  <rguenther@suse.de>
10021
10022         PR tree-optimization/69726
10023         * passes.def: Add DCE pass before late uninit.
10024         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
10025         really fixup if-conversions job.
10026
10027 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
10028
10029         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
10030         (arm_cortex_a57_tune): Likewise.
10031         (aarch_macro_fusion_pair_p): Add support for AES fusion.
10032         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
10033
10034 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10035
10036         * timevar.def (TV_PHASE_DBGINFO): Delete.
10037         (TV_PHASE_CHECK_DBGINFO): Likewise.
10038         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
10039
10040 2016-02-10  Richard Biener  <rguenther@suse.de>
10041
10042         PR tree-optimization/69719
10043         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
10044         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
10045
10046 2016-02-09  Andrew Pinski  <apinski@cavium.com>
10047
10048         PR tree-opt/69282
10049         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
10050         get_vcond_mask_icode returns false.
10051
10052 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
10053
10054         PR target/68404
10055         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
10056         an ADDIS that adds a pointer to a large constant that sets the
10057         upper16 bits with a load operation.
10058
10059 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
10060
10061         PR target/68532
10062         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
10063         order.
10064         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
10065         endian.
10066         (vzipq_s16): Likewise.
10067         (vzipq_s32): Likewise.
10068         (vzipq_f32): Likewise.
10069         (vzipq_u8): Likewise.
10070         (vzipq_u16): Likewise.
10071         (vzipq_u32): Likewise.
10072         (vzipq_p8): Likewise.
10073         (vzipq_p16): Likewise.
10074
10075 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
10076
10077         PR target/68532
10078         * config/arm/arm.c (neon_endian_lane_map): New function.
10079         (neon_vector_pair_endian_lane_map): New function.
10080         (arm_evpc_neon_vuzp): Allow for big endian lane order.
10081         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
10082         endian.
10083         (vuzpq_s16): Likewise.
10084         (vuzpq_s32): Likewise.
10085         (vuzpq_f32): Likewise.
10086         (vuzpq_u8): Likewise.
10087         (vuzpq_u16): Likewise.
10088         (vuzpq_u32): Likewise.
10089         (vuzpq_p8): Likewise.
10090         (vuzpq_p16): Likewise.
10091
10092 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
10093
10094         PR target/69634
10095         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
10096         debug insns.
10097
10098 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
10099
10100         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
10101         truncate const_int operand 1 to QImode.
10102
10103 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10104
10105         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
10106         corresponding to an abnormal edge.
10107
10108 2016-02-09  Tom de Vries  <tom@codesourcery.com>
10109
10110         PR tree-optimization/69599
10111         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
10112         function.
10113         (find_func_aliases_for_builtin_call, find_func_clobbers)
10114         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
10115         partition.
10116
10117 2016-02-09  Richard Biener  <rguenther@suse.de>
10118
10119         PR tree-optimization/69715
10120         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
10121         LHS on calls as non-rewritable.
10122
10123 2016-02-09  Tom de Vries  <tom@codesourcery.com>
10124
10125         PR lto/69707
10126         * lto-wrapper.c (append_diag_options): New function.
10127         (compile_offload_image): Call append_diag_options.
10128
10129 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
10130
10131         PR other/69722
10132         * doc/extend.texi (Flag Output Operands): Correct sectioning.
10133         Minor copy-edit to fix verb tenses.
10134
10135 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
10136
10137         PR tree-optimization/69209
10138         * ipa-split.c (split_function): If split part is not
10139         returning retval, retval has gimple type but is not
10140         gimple value, force it into a SSA_NAME first.
10141
10142 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
10143
10144         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
10145         outdated section.
10146
10147 2016-02-08  Jason Merrill  <jason@redhat.com>
10148
10149         PR c++/69631
10150         * convert.c (convert_to_integer_1): Check dofold on truncation
10151         distribution.
10152         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
10153         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
10154         Rename from *_nofold.
10155         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
10156         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
10157
10158 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
10159
10160         PR target/60410
10161         * tree.c (build_common_tree_nodes): Remove short_double argument.
10162         All callers changed.
10163         * tree.h (build_common_tree_nodes): Adjust declaration.
10164         * doc/invoke.texi (-fshort-double): Remove documentation.
10165         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10166         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
10167         * lto-wrapper.c (merge_and_complain, append_compiler_options)
10168         (append_linker_options): Don't handle OPT_fshort_double.
10169
10170         PR rtl-optimization/68730
10171         * lra-remat.c (insn_to_cand_activation): New static variable.
10172         (lra_remat): Allocate and free it.
10173         (create_cand): New arg activation. Initialize a field in
10174         insn_to_cand_activation if it is nonnull.
10175         (create_cands): Pass the activation insn to create_cand when making
10176         a candidate involving an output reload.  Reorganize code a little.
10177         (do_remat): Keep track of active status of candidates in a separate
10178         bitmap.
10179
10180 2016-02-08  Richard Biener  <rguenther@suse.de>
10181
10182         PR tree-optimization/69719
10183         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
10184         Properly use absolute of the difference of the two offsets to
10185         compare or adjust the segment length.
10186
10187 2016-02-08  Richard Biener  <rguenther@suse.de>
10188             Jeff Law  <law@redhat.com>
10189
10190         PR target/68273
10191         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
10192         types for anonymous SSA names.
10193
10194 2016-02-08   Richard Biener  <rguenther@suse.de>
10195
10196         PR rtl-optimization/69274
10197         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
10198
10199 2016-02-08  Jeff Law  <law@redhat.com>
10200
10201         PR tree-optimization/65917
10202         * tree-ssa-dom.c (record_temporary_equivalences): Record both
10203         equivalences from if (x == y) style conditionals.
10204         (loop_depth_of_name): Remove.
10205         (record_equality): Remove loop depth check.
10206         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
10207         (const_and_copies::record_const_or_copy_raw): New member function.
10208         * tree-ssa-scopedtables.c
10209         (const_and_copies::record_const_or_copy_raw): New, factored out of
10210         (const_and_copies::record_const_or_copy): Call new member function.
10211
10212 2016-02-05  Jeff Law  <law@redhat.com>
10213
10214         PR tree-optimization/68541
10215         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
10216         (count_stmts_in_block): New function.
10217         (poor_ifcvt_candidate_code): Likewise.
10218         (is_feasible_trace): Add some heuristics to determine when path
10219         splitting is profitable.
10220         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
10221         is a diamond with a single exit.
10222
10223 2016-02-05  Martin Sebor  <msebor@redhat.com>
10224
10225         PR c++/69662
10226         * doc/invoke.texi: Update -Wplacement-new to take an optional
10227         argument.
10228
10229 2016-02-06  Richard Henderson  <rth@redhat.com>
10230
10231         PR c/69643
10232         * tree.c (tree_nop_conversion_p): Do not strip casts into or
10233         out of non-standard address spaces.
10234
10235 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
10236
10237         PR rtl-optimization/69691
10238         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
10239
10240 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
10241
10242         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
10243         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
10244         (*ieee128_mfvsrd_64bit): Likewise.
10245         (*ieee128_mfvsrd_32bit): Likewise.
10246
10247 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
10248
10249         PR target/69369
10250         Revert r232560:
10251         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
10252
10253         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
10254         instrumented_version.
10255
10256 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
10257
10258         * doc/invoke.texi (Optimize Options): In table of --param options
10259         rename second occurrence of tracer-min-branch-ratio to
10260         tracer-min-branch-probability, rename
10261         tracer-min-branch-ratio-feedback to
10262         tracer-min-branch-probability-feedback and clarify description,
10263         rename sched-spec-state-edge-prob-cutoff to
10264         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
10265         to selsched-insns-to-rename, rename lto-minpartition to
10266         lto-min-partition, delete reorder-blocks-duplicate and
10267         reorder-blocks-duplicate-feedback.
10268
10269 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10270
10271         * config/s390/s390.c (s390_register_info_set_ranges): Remove
10272         superfluous loops.
10273
10274 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10275
10276         * doc/extend.texi: S/390: Correct some typos.
10277
10278 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10279
10280         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
10281
10282 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10283
10284         PR target/69625
10285         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
10286         (s390_register_info_gprtofpr): Use new macros above.
10287         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
10288         its name.
10289         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
10290         its name.  Adjust restore and save gpr ranges.
10291         (s390_register_info_set_ranges): New function.
10292         (s390_register_info): Use new macros above.  Call
10293         s390_register_info_set_ranges.
10294         (s390_optimize_register_info): Likewise.
10295         (s390_hard_regno_rename_ok): Use new macros.
10296         (s390_hard_regno_scratch_ok): Likewise.
10297         (s390_emit_epilogue): Likewise.
10298         (s390_can_use_return_insn): Likewise.
10299         (s390_optimize_prologue): Likewise.
10300         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
10301
10302 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
10303
10304         PR bootstrap/69677
10305         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
10306         alignment fixes.
10307         (ix86_option_override_internal): Disable TARGET_STV even for
10308         -m{incoming,preferred}-stack-boundary=3.
10309
10310 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
10311
10312         * config.gcc: Mark deprecated rtems targets as obsolete.
10313
10314 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
10315
10316         PR rtl-optimization/64682
10317         PR rtl-optimization/69567
10318         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
10319         before I2 only if the register is both used and set in I2.
10320
10321 2016-02-04  DJ Delorie  <dj@redhat.com>
10322
10323         * config/msp430/msp430.c (msp430_start_function): Add function type.
10324
10325 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
10326
10327         PR fortran/69368
10328         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
10329
10330 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
10331
10332         PR rtl-optimization/69577
10333         Revert:
10334         2015-10-29  Richard Henderson  <rth@redhat.com>
10335
10336         PR target/68124
10337         PR rtl-opt/67609
10338         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
10339         sse check to the exact conditions of PR 67609.
10340
10341 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
10342
10343         PR target/69667
10344         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
10345         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
10346         not allowed into the traditional Altivec registers.
10347         (movtd_64bit_nodm): Likewise.
10348         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
10349
10350 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
10351
10352         * config/aarch64/cortex-a57-fma-steering.c
10353         (aarch64_register_fma_steering): Remove "static" from arguments
10354         to register_pass.
10355
10356 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
10357
10358         PR target/69619
10359         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
10360         twice when complex.
10361
10362 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
10363
10364         * doc/invoke.texi: Delete -mno-fma4.
10365
10366 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
10367
10368         PR rtl-optimization/69577
10369         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
10370         (find_subregs_of_mode): Update accordingly.  Iterate over partial
10371         definitions.
10372
10373 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
10374
10375         * config/arm/arm-protos.h (neon_reinterpret): Remove.
10376         * config/arm/arm.c (neon_reinterpret): Remove.
10377         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
10378         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
10379         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
10380         vreinterpretti): Remove.
10381         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
10382         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
10383         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
10384         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
10385         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
10386         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
10387         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
10388         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
10389         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
10390         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
10391         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
10392         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
10393         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
10394         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
10395         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
10396         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
10397         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
10398         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
10399         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
10400         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
10401         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
10402         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
10403         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
10404         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
10405         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
10406         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
10407         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
10408         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
10409         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
10410         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
10411         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
10412         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
10413         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
10414         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
10415         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
10416         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
10417         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
10418         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
10419         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
10420         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
10421         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
10422         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
10423         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
10424         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
10425         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
10426         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
10427         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
10428         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
10429         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
10430         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
10431         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
10432         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
10433         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
10434         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
10435         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
10436         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
10437         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
10438         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
10439         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
10440         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
10441         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
10442         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
10443         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
10444         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
10445         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
10446         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
10447         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
10448         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
10449         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
10450         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
10451         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
10452         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
10453         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
10454         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
10455         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
10456         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
10457         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
10458         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
10459         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
10460         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
10461         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
10462         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
10463         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
10464         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
10465         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
10466         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
10467         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
10468         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
10469         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
10470         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
10471         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
10472         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
10473         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
10474         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
10475         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
10476         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
10477         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
10478         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
10479         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
10480         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
10481         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
10482         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
10483         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
10484
10485 2016-02-04  Martin Liska  <mliska@suse.cz>
10486
10487         PR sanitizer/69276
10488         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
10489         that are gimple_store_p.
10490         (maybe_instrument_call): Likewise.
10491
10492 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
10493
10494         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
10495         register scaling out of memory reference and comment why.
10496
10497 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10498
10499         PR target/65932
10500         PR target/67714
10501         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
10502         folding the source of a SET.
10503
10504 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10505
10506         PR target/65932
10507         PR target/67714
10508         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
10509         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
10510
10511 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
10512
10513         PR target/65932
10514         PR target/67714
10515         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
10516         HImode.
10517
10518 2016-02-04  Christian Bruel  <christian.bruel@st.com>
10519
10520         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
10521         * config/arm/arm.c (arm_set_current_function): Likewise.
10522
10523 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
10524             Ilya Enkovich  <enkovich.gnu@gmail.com>
10525             H.J. Lu  <hongjiu.lu@intel.com>
10526
10527         PR target/69454
10528         * config/i386/i386.c (convert_scalars_to_vector): Remove
10529         stack alignment fixes.
10530         (ix86_option_override_internal): Disable TARGET_STV if stack
10531         might not be aligned enough.
10532         (ix86_minimum_alignment): Assert that TARGET_STV is false.
10533
10534 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
10535
10536         * config/i386/x86-tune.def: Disable default prefetching
10537         for -march=znver1.
10538
10539 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
10540             Vladimir Makarov  <vmakarov@redhat.com>
10541
10542         PR target/69461
10543         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
10544         in validating fused toc addresses.
10545
10546 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
10547
10548         PR c/69627
10549         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
10550         range->m_caret fields if range->m_show_caret_p is false.
10551
10552         PR target/69644
10553         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10554         Force oldval into register if it does not satisfy reg_or_short_operand
10555         predicate.  Fix up formatting.
10556
10557 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
10558             Alexandre Oliva  <aoliva@redhat.com>
10559
10560         PR target/69461
10561         * lra-constraints.c (simplify_operand_subreg): Check additionally
10562         address validity after potential reloading.
10563         (process_address_1): Check insns validity.  In case of failure do
10564         nothing.
10565
10566 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
10567
10568         PR target/69118
10569         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
10570         Fix target.
10571
10572 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
10573
10574         * wide-int.cc (canonize_uhwi): New function.
10575         (wi::divmod_internal): Use it.
10576
10577 2016-02-02  James Norris  <jnorris@codesourcery.com
10578
10579         * gimplify.c (omp_notice_variable): Add usage check.
10580
10581 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
10582
10583         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
10584         like LE, GE, LT, GT when emitting relational operator.
10585
10586 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
10587
10588         * ira-costs.c (find_costs_and_classes): Add extra argument.
10589         * target.def (ira_change_pseudo_allocno_class): Add parameter.
10590         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
10591         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
10592         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
10593         Add best_class parameter, and return it if not ALL_REGS.
10594         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
10595         Add parameter.
10596         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
10597         Update target hook.
10598
10599 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
10600
10601         * config/aarch64/aarch64.c
10602         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
10603         (aarch64_ira_change_pseudo_allocno_class): New function.
10604
10605 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
10606
10607         PR target/67032
10608         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
10609
10610 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10611
10612         * config/avr/avr.c (avr_option_override): Set
10613         PARAM_ALLOW_STORE_DATA_RACES to 1.
10614
10615 2016-02-02  Richard Biener  <rguenther@suse.de>
10616
10617         PR tree-optimization/69595
10618         * match.pd: Add range test simplifications to true/false.
10619
10620 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
10621
10622         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
10623         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
10624         instead.
10625
10626 2016-02-02  Richard Biener  <rguenther@suse.de>
10627
10628         PR tree-optimization/69606
10629         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
10630         info on the result before moving a stmt.
10631
10632 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
10633
10634         PR middle-end/68542
10635         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
10636         branch with vector comparison.
10637         * config/i386/sse.md (VI48_AVX): New mode iterator.
10638         (define_expand "cbranch<mode>4): Add support for conditional branch
10639         with vector comparison.
10640         * tree-vect-loop.c (optimize_mask_stores): New function.
10641         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
10642         has_mask_store field of vect_info.
10643         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
10644         vectorized loops having masked stores after vec_info destroy.
10645         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
10646         correspondent macros.
10647         (optimize_mask_stores): Add prototype.
10648
10649 2016-02-02  Alan Modra  <amodra@gmail.com>
10650
10651         PR target/69548
10652         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
10653         allow subregs.
10654
10655 2016-02-02  Alan Modra  <amodra@gmail.com>
10656
10657         PR target/68662
10658         * config/rs6000/rs6000.c (need_toc_init): New var, set it
10659         whenever toc_label_name used.
10660         (rs6000_file_start): Don't set up toc section here,
10661         (rs6000_output_function_epilogue): do so here instead,
10662         (rs6000_xcoff_file_start): and here.
10663         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
10664         (load_toc_aix_di): Likewise.
10665
10666 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10667
10668         PR rtl-optimization/69592
10669         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
10670         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
10671         (num_sign_bit_copies_binary_arith_p): New inline function.
10672         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
10673
10674 2016-02-01  Jeff Law  <law@redhat.com>
10675
10676         PR tree-optimization/69580
10677         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
10678         * tree-ssa-threadbackward.c
10679         (fsm_find_control_statement_thread_paths): Do not try to walk
10680         through large PHI nodes.
10681
10682 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10683
10684         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
10685         when count is incremented above limit, don't analyze further
10686         insns afterwards.
10687
10688         * omp-low.c (oacc_parse_default_dims): Avoid
10689         -Wsign-compare warning, make sure value fits into int
10690         rather than just unsigned int.
10691
10692 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
10693
10694         PR tree-optimization/67921
10695         * fold-const.c (split_tree): New parameters.  Convert pointer
10696         type variable part to proper type before negating.
10697         (fold_binary_loc): Pass new arguments to split_tree.
10698
10699 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
10700
10701         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
10702         (nvptx_goacc_validate_dims): Extend to handle global defaults.
10703         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
10704         * doc/tm.texti: Rebuilt.
10705         * doc/invoke.texi (fopenacc-dim): Document.
10706         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
10707         (append_compiler_options): Likewise.
10708         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
10709         (oacc_parse_default_dims): New.
10710         (oacc_validate_dims): Add USED arg.  Select non-unity default when
10711         possible.
10712         (oacc_loop_fixed_partitions): Return mask of used partitions.
10713         (oacc_loop_auto_partitions): Emit dump info.
10714         (oacc_loop_partition): Return mask of used partitions.
10715         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
10716         loop partitioning and validation calls.
10717
10718 2016-02-01  Richard Biener  <rguenther@suse.de>
10719
10720         PR middle-end/69556
10721         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
10722
10723 2016-02-01  Richard Biener  <rguenther@suse.de>
10724
10725         PR tree-optimization/69574
10726         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
10727         of asserting return chrec_dont_know.
10728
10729 2016-02-01  Martin Liska  <mliska@suse.cz>
10730
10731         * mem-stats-traits.h: Add copyright header.
10732         * mem-stats.h: Likewise.
10733
10734 2016-02-01  Richard Biener  <rguenther@suse.de>
10735
10736         PR tree-optimization/69579
10737         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
10738         Do not propagate through abnormal PHI results.
10739
10740 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
10741
10742         * postreload.c (reload_cse_simplify): Remove dead code.
10743
10744 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10745
10746         PR rtl-optimization/69570
10747         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
10748         if there is more than one set, not if there is a single set.
10749
10750 2016-02-01  Richard Henderson  <rth@redhat.com>
10751
10752         PR rtl-opt/69535
10753         * combine.c (make_compound_operation): When looking through a
10754         subreg, make sure to re-extend to the width of the outer mode.
10755
10756 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
10757
10758         PR tree-optimization/69546
10759         * wide-int.cc (wi::divmod_internal): For unsigned division
10760         where both operands fit into uhwi, if o1 is 1 and o0 has
10761         msb set, if divident_prec is larger than bits per hwi,
10762         clear another quotient word and return 2 instead of 1.
10763         Similarly for remainder with msb in HWI set, if dividend_prec
10764         is larger than bits per hwi.
10765
10766 2016-01-29  Martin Jambor  <mjambor@suse.cz>
10767
10768         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
10769         Use short lowercase names.
10770         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
10771         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
10772         acq_rel one.  Protect warning agains segfaults if
10773         get_memory_order_name returns NULL.
10774         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
10775         with release semantics.  Do not warn if get_memory_order already did.
10776         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
10777         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
10778         if get_memory_order already did.
10779
10780 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
10781
10782         * doc/install.texi: Document that isl-0.16 is supported.
10783
10784 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10785
10786         PR target/69299
10787         * config/i386/constraints.md (Bm): Describe as special memory
10788         constraint.
10789         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
10790         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10791         * genpreds.c (struct constraint_data): Add is_special_memory.
10792         (have_special_memory_constraints, special_memory_start): New
10793         static vars.
10794         (special_memory_end): Ditto.
10795         (add_constraint): Add new arg is_special_memory.  Add code to
10796         process its true value.  Update have_special_memory_constraints.
10797         (process_define_constraint): Pass the new arg.
10798         (process_define_register_constraint): Ditto.
10799         (choose_enum_order): Process special memory.
10800         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
10801         function insn_extra_special_memory_constraint.
10802         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10803         * gensupport.c (process_rtx): Process
10804         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10805         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
10806         * ira-lives.c (single_reg_class): Use
10807         insn_extra_special_memory_constraint.
10808         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
10809         * lra-constraints.c (process_alt_operands): Ditto.
10810         (curr_insn_transform): Use insn_extra_special_memory_constraint.
10811         * recog.c (asm_operand_ok, preprocess_constraints): Process
10812         CT_SPECIAL_MEMORY.
10813         * reload.c (find_reloads): Ditto.
10814         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
10815         * stmt.c (parse_input_constraint): Use
10816         insn_extra_special_memory_constraint.
10817
10818 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10819
10820         PR target/69530
10821         * lra-splill.c (lra_final_code_change): Revert r229087 by
10822         removing all sub-registers.
10823
10824 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
10825
10826         PR target/65604
10827         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
10828
10829 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
10830
10831         PR target/69551
10832         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
10833         SSE1, copy target into the temporary reg first before recursing
10834         on it.
10835
10836 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10837
10838         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
10839         with vm.
10840
10841 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
10842
10843         * ginclude/stdarg.h: Test __cplusplus instead of
10844         __GXX_EXPERIMENTAL_CXX0X__.
10845
10846 2016-01-29  Richard Biener  <rguenther@suse.de>
10847
10848         PR tree-optimization/69547
10849         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
10850         Do not mark clobbers necessary.
10851         (mark_all_reaching_defs_necessary_1): Likewise.
10852
10853 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10854
10855         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
10856         declaration name with %qs and print it in both error messages.
10857         Also fix indentation.
10858
10859 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10860
10861         PR other/69006
10862         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
10863         trailing blank line from error message.
10864
10865 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
10866
10867         PR c++/69462
10868         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
10869         for C++-11.
10870
10871 2016-01-29  Richard Biener  <rguenther@suse.de>
10872
10873         PR middle-end/69537
10874         * match.pd: Allow all integral types when simplifying a
10875         widening or sign-changing conversion.
10876
10877 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10878
10879         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
10880         back to setting codegen_error to fail codegen.
10881
10882 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
10883
10884         PR target/69459
10885         * config/i386/constraints.md (C): Only accept constant zero operand.
10886         (BC): New constraint.
10887         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
10888         instead of C constraint.
10889         * doc/md.texi (Machine Constraints): Update description
10890         of C constraint.
10891
10892 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
10893
10894         PR target/68400
10895         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
10896
10897 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
10898
10899         PR middle-end/69542
10900         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
10901         non-debug insns.
10902
10903 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10904
10905         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
10906         branches if using guessed profile.
10907
10908 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
10909
10910         * graphite-optimize-isl.c (optimize_isl): Fix dump.
10911
10912 2016-01-28  Richard Henderson  <rth@redhat.com>
10913
10914         PR target/69305
10915         * config/aarch64/aarch64-modes.def (CC_Cmode): New
10916         * config/aarch64/aarch64-protos.h: Update.
10917         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
10918         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
10919         (aarch64_get_condition_code_1): Handle CC_Cmode.
10920         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
10921         (*add<mode>3_compareC_cconly_imm): New.
10922         (*add<mode>3_compareC_cconly): New.
10923         (*add<mode>3_compareC_imm): New.
10924         (add<mode>3_compareC): New.
10925         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
10926         to be first.  Use aarch64_carry_operation.
10927         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
10928         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
10929         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
10930         (subti3): Use subdi3_compare1.
10931         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
10932         (sub<mode>3_compare1): New.
10933         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
10934         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
10935         (*subsi3_carryin_uxtw): Likewise.
10936         (*ngc<mode>, *ngcsi_uxtw): Likewise.
10937         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
10938         * config/aarch64/iterators.md (DWI): New.
10939         * config/aarch64/predicates.md (aarch64_carry_operation): New.
10940         (aarch64_borrow_operation): New.
10941
10942 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
10943
10944         * graphite-optimize-isl.c (optimize_isl): Print a different debug
10945         message when isl does not return a valid schedule.
10946
10947 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10948
10949         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
10950         Remove comments from class declarations: they are already in the code
10951         close by the defs.
10952
10953 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10954
10955         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
10956         codegen_error_p.
10957         (ternary_op_to_tree): Same.
10958         (unary_op_to_tree): Same.
10959         (nary_op_to_tree): Same.
10960         (gcc_expression_from_isl_expr_op): Same.
10961         (gcc_expression_from_isl_expression): Same.
10962         (graphite_create_new_loop): Same.
10963         (graphite_create_new_loop_guard): Same.
10964         (build_iv_mapping): Same.
10965         (graphite_create_new_guard): Same.
10966         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
10967         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
10968
10969 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10970
10971         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
10972         instead of setting codegen_error to fail codegen.
10973
10974 2016-01-28  Jason Merrill  <jason@redhat.com>
10975
10976         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
10977
10978 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10979
10980         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
10981         Remove CONST_INT_P check in CCMP cost calculation.
10982
10983 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10984
10985         * config/aarch64/aarch64.c (generic_vector_cost):
10986         Set vec_permute_cost.
10987         (cortexa57_vector_cost): Likewise.
10988         (exynosm1_vector_cost): Likewise.
10989         (xgene1_vector_cost): Likewise.
10990         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
10991         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
10992         Add vec_permute_cost entry.
10993
10994 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10995
10996         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
10997         immediate as %1.
10998         (add<mode>3_compare0): Likewise.
10999         (addsi3_compare0_uxtw): Likewise.
11000         (add<mode>3nr_compare0): Likewise.
11001         (compare_neg<mode>): Likewise.
11002         (<optab><mode>3): Likewise.
11003
11004 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
11005
11006         * tree-vect-stmts.c (vectorizable_comparison): Add
11007         NULL check for vectype.
11008
11009 2016-01-28  Richard Biener  <rguenther@suse.de>
11010
11011         PR tree-optimization/69466
11012         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
11013         Account for PHIs we couldn't duplicate.
11014
11015 2016-01-28  Martin Liska  <mliska@suse.cz>
11016
11017         PR pch/68758
11018         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
11019         instead of ENABLE_VALGRIND_CHECKING.
11020
11021 2016-01-27  Richard Henderson  <rth@redhat.com>
11022
11023         PR rtl-opt/69447
11024         * lra-remat.c (subreg_regs): New.
11025         (dump_candidates_and_remat_bb_data): Dump it.
11026         (operand_to_remat): Reject if operand in subreg_regs.
11027         (set_bb_regs): Collect subreg_regs.
11028         (lra_remat): Init and free subreg_regs.  Compute
11029         calculate_local_reg_remat_bb_data before create_cands.
11030
11031 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11032
11033         PR target/68986
11034         * config/i386/i386.c (ix86_update_stack_boundary): Don't
11035         change stack_alignment_needed for __tls_get_addr call.
11036
11037 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
11038
11039         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
11040
11041 2016-01-27  Jeff Law  <law@redhat.com>
11042
11043         PR tree-optimization/68398
11044         PR tree-optimization/69196
11045         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
11046         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
11047         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11048         Only count PHIs in the last block in the path.  The others will
11049         const/copy propagate away.  Add heuristic to allow more irreducible
11050         subloops to be created when it is likely profitable to do so.
11051
11052         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11053         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
11054         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
11055
11056 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
11057
11058         PR lto/69254
11059         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
11060         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
11061         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
11062         * tree-streamer-in.c: Include asan.h.
11063         (streamer_get_builtin_tree): For builtins in sanitizer
11064         range call initialize_sanitizer_builtins and retry.
11065
11066 2016-01-27  Ian Lance Taylor  <iant@google.com>
11067
11068         * common.opt (fkeep-gc-roots-live): New undocumented option.
11069         * tree-ssa-loop-ivopts.c (add_candidate_1): If
11070         -fkeep-gc-roots-live, skip pointers.
11071         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
11072         NULL.
11073
11074 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
11075
11076         PR target/69512
11077         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
11078         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
11079
11080 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
11081
11082         PR target/68380
11083         * configure.ac: NetBSD provides SSP in its C library.
11084         * configure: Updated.
11085
11086 2016-01-27  Richard Biener  <rguenther@suse.de>
11087
11088         PR tree-optimization/69166
11089         * tree-vect-loop.c (vect_is_simple_reduction): Always check
11090         reduction code for commutativity / associativity.
11091
11092 2016-01-27  Martin Jambor  <mjambor@suse.cz>
11093
11094         PR tree-optimization/69355
11095         * tree-sra.c (analyze_access_subtree): Correct hole detection when
11096         total_scalarization fails.
11097
11098 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
11099
11100         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
11101         power9.
11102
11103 2016-01-27  Christian Bruel  <christian.bruel@st.com>
11104
11105         PR target/69245
11106         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
11107         Move arm_reset_previous_fndecl and set_target_option_current_node in
11108         the conditional part.  Call save_restore_target_globals.
11109         * config/arm/arm.c (arm_set_current_function):
11110         Refactor to better support #pragma target and attribute mix.
11111         Call save_restore_target_globals.
11112         * config/arm/arm-protos.h (save_restore_target_globals): New function.
11113
11114 2016-01-27  Martin Liska  <mliska@suse.cz>
11115
11116         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
11117         reference for an HSA kernel and its host function.
11118
11119 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
11120
11121         PR tree-optimization/69399
11122         * wide-int.h (wi::lrshift): For larger precisions, only
11123         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
11124
11125 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
11126
11127         * config/arc/predicates.md (proper_comparison_operator): Reject
11128         constant-constant comparison.
11129
11130 2016-01-26  Tom de Vries  <tom@codesourcery.com>
11131
11132         PR tree-optimization/69110
11133         * tree-data-ref.c (initialize_data_dependence_relation): Handle
11134         DR_NUM_DIMENSIONS == 0.
11135
11136 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
11137             Sebastian Pop  <s.pop@samsung.com>
11138
11139         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
11140         isl_ast_op_cond and isl_ast_op_select.
11141         (gcc_expression_from_isl_expr_op): Same.
11142
11143 2016-01-26  Jason Merrill  <jason@redhat.com>
11144
11145         PR c++/68782
11146         * tree.c (recompute_constructor_flags): Split out from
11147         build_constructor.
11148         (verify_constructor_flags): New.
11149         * tree.h: Declare them.
11150
11151 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
11152
11153         PR rtl-optimization/69217
11154         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
11155         are no TYPE_FIELDS set for the record type.
11156
11157 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11158
11159         PR target/68662
11160         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
11161         toc_label_name unconditionally.
11162         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
11163         SYMBOL_REF string.  Use toc_label_name instead of constructing
11164         LCTOC1.
11165         (rs6000_elf_declare_function_name): Use toc_label_name instead of
11166         constructing LCTOC1.
11167
11168 2016-01-26  Martin Sebor  <msebor@redhat.com>
11169
11170         PR other/69477
11171         * doc/extend.texi (Common Type Attributes): Move text that talks about
11172         attribute packed from attribute aligned to the section discussing
11173         the former attribute for clarity.
11174
11175 2016-01-26  Richard Henderson  <rth@redhat.com>
11176
11177         PR middle-end/60908
11178         * trans-mem.c (tm_region_init): Mark entry block as visited.
11179
11180 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
11181
11182         PR other/69006
11183         * diagnostic-show-locus.c (layout::print_source_line): Replace
11184         call to pp_newline with call to layout::print_newline.
11185         (layout::print_annotation_line): Likewise.
11186         (layout::move_to_column): Likewise.
11187         (layout::print_any_fixits): After printing any fixits, print a
11188         trailing newline, if necessary.
11189         (layout::print_newline): New method, resetting any colorization
11190         before a newline.
11191         (diagnostic_show_locus): Move the pp_newline to before the
11192         early bailout.  Remove dummy block enclosing the layout instance.
11193         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
11194         of pp_newline_and_flush with pp_flush.
11195         (diagnostic_append_note): Delete use of pp_newline.
11196         (diagnostic_append_note_at_rich_loc): Delete.
11197         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
11198         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
11199         when newline characters are added to the buffer.
11200
11201 2016-01-26  Michael Matz  <matz@suse.de>
11202
11203         * configure.ac (ac_cv_std_swap_in_utility): New test.
11204         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
11205         * configure: Regenerate.
11206         * config.in: Regenerate.
11207
11208 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
11209
11210         * config/arc/arc.md (cstoresi4): Force operand into register.
11211         (arcset<code>): Fix predicate.
11212         (arcsetltu): Likewise.
11213         (arcsetgeu): Likewise.
11214         (arcsethi): Likewise.
11215         (arcsetls): Likewise.
11216
11217 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11218
11219         PR tree-optimization/69483
11220         * gimple-fold.c (canonicalize_constructor_val): Return NULL
11221         if base has error_mark_node type.
11222
11223 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
11224
11225         PR target/68620
11226         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
11227         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
11228         New helper macros.
11229         (vget_lane_f16): Handle big-endian.
11230         (vgetq_lane_f16): Likewise.
11231         (vset_lane_f16): Likewise.
11232         (vsetq_lane_f16): Likewise.
11233         * config/arm/iterators.md (VQXMOV): Add V8HF.
11234         (VDQ): Add V4HF and V8HF.
11235         (V_reg): Handle V4HF and V8HF.
11236         (Is_float_mode): Likewise.
11237         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
11238         neon_vdup_nv8hf): New patterns.
11239         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
11240         Use VD_LANE iterator.
11241         (neon_vld1_dup<mode>): Use VQ2 iterator.
11242
11243 2016-01-26  Nathan Sidwell  <nathan@acm.org>
11244
11245         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
11246         (set_oacc_fn_attrib): Add IS_KERNEL arg.
11247         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
11248         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
11249         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
11250         (oacc_validate_dims): Add LEVEL arg, don't return level.
11251         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
11252         oacc_validate_dims.
11253         (execute_oacc_device_lower): Adjust, add more dump output.
11254         * tree-ssa-loop.c (gate_oacc_kernels): Use
11255         oacc_fn_attrib_kernels_p.
11256         * tree-parloops.c (create_parallel_loop): Adjust
11257         set_oacc_fn_attrib call.
11258
11259 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11260
11261         PR lto/69254
11262         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
11263         (append_compiler_options): Handle -fcilkplus.
11264         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
11265
11266 2016-01-26  Nick Clifton  <nickc@redhat.com>
11267
11268         PR target/66655
11269         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
11270         been marked as DECL_ONE_ONLY but we do not the means to make it
11271         so, then do not allow it to bind locally.
11272
11273 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11274
11275         PR lto/69254
11276         * opts.h (parse_sanitizer_options): New prototype.
11277         * opts.c (sanitizer_opts): New array.
11278         (parse_sanitizer_options): New function.
11279         (common_handle_option): Use parse_sanitizer_options.
11280
11281 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
11282
11283         PR target/68986
11284         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
11285         alignment adjustment to ...
11286         (ix86_update_stack_boundary): Here.  Don't over-align stack for
11287         __tls_get_addr.
11288         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
11289         if __tls_get_addr is called.
11290
11291 2016-01-26  Christian Bruel  <christian.bruel@st.com>
11292
11293         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
11294
11295 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
11296
11297         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
11298
11299 2016-01-26  Richard Biener  <rguenther@suse.de>
11300
11301         PR middle-end/69467
11302         * match.pd: Guard X * CST CMP 0 pattern with single_use.
11303
11304 2016-01-26  Richard Biener  <rguenther@suse.de>
11305
11306         PR tree-optimization/69452
11307         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
11308         (move_computations_dom_walker::before_dom_children): Rename
11309         to ...
11310         (move_computations_worker): This.
11311         (move_computations): Perform an RPO rather than a DOM walk.
11312
11313 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11314
11315         PR target/69442
11316         * combine.c (combine_instructions): For REG_EQUAL note with
11317         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
11318         to the underlying register.
11319         * doc/rtl.texi (REG_EQUAL): Document the behavior of
11320         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
11321
11322 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
11323
11324         PR target/67896
11325         * config/aarch64/aarch64-builtins.c
11326         (aarch64_init_simd_builtin_types): Do not set structural
11327         equality to __Poly{8,16,64,128}_t types.
11328
11329 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
11330
11331         PR tree-optimization/69400
11332         * wide-int.cc (wi_pack): Take the precision as argument and
11333         perform canonicalization here rather than in the callers.
11334         Use the main loop to handle all full-width HWIs.  Add a
11335         zero HWI if in_len isn't a full result.
11336         (wi::divmod_internal): Update accordingly.
11337         (wi::mul_internal): Likewise.  Simplify.
11338
11339 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
11340             Sebastian Pop  <s.pop@samsung.com>
11341
11342         * graphite-poly.c (apply_poly_transforms): Simplify.
11343         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
11344         (print_isl_map): Same.
11345         (print_isl_union_map): Same.
11346         (print_isl_schedule): New.
11347         (debug_isl_schedule): New.
11348         * graphite-dependences.c (scop_get_reads): Do not call
11349         isl_union_map_add_map that is undocumented isl functionality.
11350         (scop_get_must_writes): Same.
11351         (scop_get_may_writes): Same.
11352         (scop_get_original_schedule): Remove.
11353         (scop_get_dependences): Do not call isl_union_map_compute_flow that
11354         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
11355         (compute_deps): Remove.
11356         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
11357         (debug_schedule_ast): New.
11358         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
11359         set_separate_option.
11360         (graphite_regenerate_ast_isl): Add dump.
11361         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
11362         from scop->transformed_schedule.
11363         (graphite_regenerate_ast_isl): Add more dump.
11364         * graphite-optimize-isl.c (optimize_isl): Set
11365         scop->transformed_schedule.  Check whether schedules are equal.
11366         (apply_poly_transforms): Move here.
11367         * graphite-poly.c (apply_poly_transforms): ... from here.
11368         (free_poly_bb): Static.
11369         (free_scop): Static.
11370         (pbb_number_of_iterations_at_time): Remove.
11371         (print_isl_ast): New.
11372         (debug_isl_ast): New.
11373         (debug_scop_pbb): New.
11374         * graphite-scop-detection.c (print_edge): Move.
11375         (print_sese): Move.
11376         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
11377         (build_scop_scattering): Remove.
11378         (create_pw_aff_from_tree): Assert instead of bailing out.
11379         (add_condition_to_pbb): Remove unused code, do not fail.
11380         (add_conditions_to_domain): Same.
11381         (add_conditions_to_constraints): Remove.
11382         (build_scop_context): New.
11383         (add_iter_domain_dimension): New.
11384         (build_iteration_domains): Initialize pbb->iterators.
11385         Call add_conditions_to_domain.
11386         (nested_in): New.
11387         (loop_at): New.
11388         (index_outermost_in_loop): New.
11389         (index_pbb_in_loop): New.
11390         (outermost_pbb_in): New.
11391         (add_in_sequence): New.
11392         (add_outer_projection): New.
11393         (outer_projection_mupa): New.
11394         (add_loop_schedule): New.
11395         (build_schedule_pbb): New.
11396         (build_schedule_loop): New.
11397         (embed_in_surrounding_loops): New.
11398         (build_schedule_loop_nest): New.
11399         (build_original_schedule): New.
11400         (build_poly_scop): Call build_original_schedule.
11401         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
11402         (free_poly_dr): Remove.
11403         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
11404         (free_poly_bb): Remove.
11405         (debug_loop_vec): Remove.
11406         (print_isl_ast): Declare.
11407         (debug_isl_ast): Declare.
11408         (scop_do_interchange): Remove.
11409         (scop_do_strip_mine): Remove.
11410         (scop_do_block): Remove.
11411         (flatten_all_loops): Remove.
11412         (optimize_isl): Remove.
11413         (pbb_number_of_iterations_at_time): Remove.
11414         (debug_scop_pbb): Declare.
11415         (print_schedule_ast): Declare.
11416         (debug_schedule_ast): Declare.
11417         (struct scop): Remove schedule.  Add original_schedule,
11418         transformed_schedule.
11419         (free_gimple_poly_bb): Remove.
11420         (print_generated_program): Remove.
11421         (debug_generated_program): Remove.
11422         (unify_scattering_dimensions): Remove.
11423         * sese.c (print_edge): ... here.
11424         (print_sese): ... here.
11425         (debug_edge): ... here.
11426         (debug_sese): ... here.
11427         * sese.h (print_edge): Declare.
11428         (print_sese): Declare.
11429         (dump_edge): Declare.
11430         (dump_sese): Declare.
11431
11432 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
11433             Sebastian Pop  <s.pop@samsung.com>
11434
11435         * Makefile.in: Set ISLVER in site.exp.
11436
11437 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
11438
11439         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
11440         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
11441         through DECL_VALUE_EXPR for expansion.
11442
11443 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11444
11445         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
11446         the frame info after reload completed.
11447
11448 2016-01-25  Jeff Law  <law@redhat.com>
11449
11450         PR tree-optimization/69196
11451         PR tree-optimization/68398
11452         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
11453         tree-ssa-threadupdate.c.
11454         (determine_bb_domination_status): Prototype
11455         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
11456         (determine_bb_domination_status): No longer static.
11457         (valid_jump_thread_path): Remove code to detect characteristics
11458         of the jump thread path not associated with correctness.
11459         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
11460         Correct test for thread path length.  Count PHIs for real operands as
11461         statements that need to be copied.  Do not count ASSERT_EXPRs.
11462         Look at all the blocks in the thread path.  Compute and selectively
11463         filter thread paths based on threading through the latch, threading
11464         a multiway branch or crossing a multiway branch.
11465
11466 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11467
11468         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
11469         decl with __attribute__ ((unused)) annotation.
11470
11471 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
11472
11473         PR target/69421
11474         * tree-vect-stmts.c (vectorizable_condition): Check vectype
11475         of operands is compatible with a statement vectype.
11476
11477 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
11478
11479         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
11480         improve wording for mixed storage order support.
11481
11482 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
11483
11484         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
11485         (vcvt_u64_f64): Likewise.
11486         (vcvta_s64_f64): Likewise.
11487         (vcvta_u64_f64): Likewise.
11488         (vcvtm_s64_f64): Likewise.
11489         (vcvtm_u64_f64): Likewise.
11490         (vcvtn_s64_f64): Likewise.
11491         (vcvtn_u64_f64): Likewise.
11492         (vcvtp_s64_f64): Likewise.
11493         (vcvtp_u64_f64): Likewise.
11494
11495 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
11496
11497         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
11498         (arc_init): Check validity mll64 option.
11499         (arc_save_restore): Use double load/store instruction.
11500         (arc_expand_movmem): Likewise.
11501         (arc_split_move): Don't split if we have double load/store
11502         instructions. Returns a boolean.
11503         (arc_process_double_reg_moves): Change function to return boolean
11504         instead of a sequence of instructions.
11505         (arc_dwarf_register_span): New function.
11506         * config/arc/arc-protos.h (arc_split_move): Change prototype.
11507         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
11508         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
11509         (*movdf_insn): Likewise.
11510         * config/arc/arc.opt (mll64): New option.
11511         * config/arc/predicates.md (even_register_operand): New predicate.
11512         * doc/invoke.texi (ARC Options): Add mll64 documentation.
11513
11514 2016-01-25  Richard Biener  <rguenther@suse.de>
11515
11516         PR lto/69393
11517         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
11518         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
11519         DECL_NAMELESS.
11520         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
11521
11522 2016-01-25  Richard Biener  <rguenther@suse.de>
11523
11524         PR tree-optimization/69376
11525         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
11526         flag.
11527         (VN_INFO_ANTI_RANGE_P): New inline.
11528         (VN_INFO_RANGE_TYPE): Likewise.
11529         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
11530         SSA_NAME_ANTI_RANGE_P.
11531         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
11532         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
11533         Properly query VN_INFO_RANGE_TYPE.
11534
11535 2016-01-25  Nick Clifton  <nickc@redhat.com>
11536
11537         PR target/66655
11538         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
11539
11540 2016-01-23  Tom de Vries  <tom@codesourcery.com>
11541
11542         PR tree-optimization/69426
11543         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
11544         removed clobber.
11545
11546 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
11547
11548         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
11549         "the the" with "the" in the comments.
11550         * ipa-devirt.c (build_type_inheritance_graph,
11551         update_type_inheritance_graph): Likewise.
11552         * tree.c (build_function_type_list_1): Likewise.
11553         * cfgloopmanip.c (scale_loop_profile): Likewise.
11554         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
11555         * gimple-ssa-split-paths.c
11556         (find_block_to_duplicate_for_splitting_paths): Likewise.
11557         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
11558         * expr.c (convert_move): Likewise.
11559         * var-tracking.c (vt_stack_adjustments): Likewise.
11560         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
11561         * tree-vrp.c (test_for_singularity): Likewise.
11562
11563         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
11564         directly instead of building a temporary tree.
11565
11566         PR bootstrap/69434
11567         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
11568         remove <algorithm> include.
11569
11570 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
11571
11572         PR target/69432
11573         * config/i386/i386.c: Include dojump.h.
11574         (expand_small_movmem_or_setmem,
11575         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
11576         fixes.
11577         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
11578         if dynamic_check != -1.
11579
11580 2016-01-21  Jeff Law  <law@redhat.com>
11581
11582         PR middle-end/69347
11583         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
11584         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
11585         into dominated_by_p.
11586         (cprop_into_successor_phis): Avoid unnecessary tests.
11587
11588 2016-01-22  Richard Henderson  <rth@redhat.com>
11589
11590         PR target/69416
11591         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
11592         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
11593
11594 2016-01-22  Michael Matz  <matz@suse.de>
11595
11596         * system.h (string, algorithm): Include only conditionally.
11597         (new): Include always under C++.
11598         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
11599         * final.c (toplevel): Ditto.
11600         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
11601         * genconditions.c (write_header): Make gencondmd.c define
11602         INCLUDE_STRING.
11603         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
11604
11605         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
11606         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
11607
11608 2016-01-22  Christian Bruel  <christian.bruel@st.com>
11609
11610         PR target/68674
11611         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
11612
11613 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11614
11615         PR target/69403
11616         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
11617         define_insn_and_split.  Ensure operands[1] and operands[0] do not
11618         get assigned the same register.
11619
11620 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
11621
11622         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
11623
11624 2016-01-22  Christian Bruel  <christian.bruel@st.com>
11625
11626         * config/arm/arm-c.c (arm_pragma_target_parse):
11627         Remove warn_builtin_macro_redefined overwrite.
11628
11629 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11630
11631         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
11632         flag_non_call_exceptions compatibility.
11633
11634 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
11635
11636         PR debug/66668
11637         * dwarf2out.c (add_child_die_after): New function.
11638         (dwarf_qual_info_t): New type.
11639         (dwarf_qual_info): New variable.
11640         (qualified_die_p): New function.
11641         (modified_type_die): For -fdebug-types-section, ensure
11642         canonical order of qualifiers.  Put qualified DIEs adjacent
11643         to the corresponding non-qualified type DIE and search there
11644         for existing qualified DIEs.
11645
11646 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11647
11648         * doc/extend.texi (scalar_storage_order type attribute): Document
11649         restriction on type punning and aliasing, and remove future tense.
11650
11651 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
11652
11653         PR target/69252
11654         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
11655         first stage.
11656
11657 2016-01-21  Jeff Law  <law@redhat.com>
11658
11659         PR middle-end/69347
11660         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
11661         useless call to record_temporary_equivalences.
11662         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
11663         allocate 10 slots in the bb_path vector and let it grow as needed.
11664         (fsm_find_control_statement_thread_paths): Similarly for the next_path
11665         vector.
11666
11667 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
11668
11669         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
11670         Detangle.
11671         * configure: Regenerate.
11672
11673 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
11674
11675         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
11676         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
11677
11678 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
11679
11680         PR middle-end/66178
11681         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
11682         drop EXPAND_INITIALIZER.
11683         * rtl.h (contains_symbolic_reference_p): Declare.
11684         * rtlanal.c (contains_symbolic_reference_p): New function.
11685         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
11686         a subtraction into a NOT if symbolic constants are involved.
11687
11688 2016-01-21  Anton Blanchard  <anton@samba.org>
11689             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11690
11691         PR target/63354
11692         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
11693         #define.
11694         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
11695         function.
11696
11697 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11698
11699         * config/microblaze/microblaze.c
11700         (get_branch_target): New.
11701         (insert_wic_for_ilb_runout): New.
11702         (insert_wic): New.
11703         (microblaze_machine_dependent_reorg): New.
11704         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
11705         * config/microblaze/microblaze.md
11706         (UNSPEC_IPREFETCH): Define.
11707         (iprefetch): New pattern
11708         * config/microblaze/microblaze.opt
11709         (mxl-prefetch): New flag.
11710
11711 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11712
11713         * config/microblaze/microblaze.h
11714         (FIXED_REGISTERS): Update in macro.
11715         (CALL_USED_REGISTERS): Update in macro.
11716
11717 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
11718
11719         PR rtl-optimization/68920
11720         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
11721         moves.
11722
11723 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11724
11725         PR rtl-optimization/68990
11726         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
11727         pseudo instead of inheritance ones.
11728
11729 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11730             Nick Clifton  <nickc@redhat.com>
11731
11732         PR target/69129
11733         PR target/69012
11734         * config/mips/mips.c (mips_compute_frame_info): Initialise
11735         args_size and hard_frame_pointer_offset fields of the frame
11736         structure before calling mips_global_pointer.
11737
11738 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
11739
11740         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
11741         label reference.
11742         * configure: Regenerate.
11743
11744 2016-01-21  Richard Biener  <rguenther@suse.de>
11745
11746         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
11747
11748 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
11749
11750         * config/s390/s390.c (s390_asm_declare_function_size): Add code
11751         to actually emit the .size directive.
11752
11753 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
11754              Jakub Jelinek  <jakub@redhat.com>
11755
11756         PR target/69187
11757         PR target/65624
11758         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
11759         args array size by one to avoid buffer overflow.
11760
11761 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
11762
11763         * config/s390/s390.md (pool_section_start): Use switch_to_section
11764         to select proper read-only data section instead of hardcoding
11765         .rodata.
11766         (pool_section_end): Use switch_to_section to match the above.
11767
11768 2016-01-21  Richard Biener  <rguenther@suse.de>
11769
11770         PR tree-optimization/69378
11771         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
11772         (set_ssa_val_to): Use it for dominance checks taking into
11773         account not executable edges.
11774
11775 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
11776
11777         PR c++/69355
11778         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
11779         for bitsize instead of GET_MODE_PRECISION (mode).
11780
11781 2016-01-20  Martin Sebor  <msebor@redhat.com>
11782
11783         PR c/52291
11784         * extend.texi (__sync Builtins): Clarify the semantics of
11785         __sync_fetch_and_OP built-ins on pointers.
11786         (__atomic Builtins): Same.
11787
11788 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11789             Sebastian Pop  <s.pop@samsung.com>
11790
11791         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
11792         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
11793         (is_valid_rename): Same.
11794         (translate_isl_ast_to_gimple::get_rename): Same.
11795         (translate_isl_ast_to_gimple::rename_all_uses): Same.
11796         (translate_isl_ast_to_gimple::rename_uses): Same.
11797         (get_new_name): Check for close_phi nodes.
11798         (copy_loop_phi_args): Use phi_node_kind.
11799         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
11800         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
11801
11802 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11803             Sebastian Pop  <s.pop@samsung.com>
11804
11805         Revert commit r229783.
11806         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
11807         Remove use of parameter_rename_map.
11808         (copy_def): Remove.
11809         (copy_internal_parameters): Remove.
11810         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
11811         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
11812         (free_sese_info): Do not free parameter_rename_map.
11813         (set_rename): Do not use parameter_rename_map.
11814         (rename_uses): Update call to set_rename.
11815         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
11816         * sese.h (parameter_rename_map_t): Remove.
11817         (struct sese_info_t): Remove field parameter_rename_map.
11818
11819 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11820             Sebastian Pop  <s.pop@samsung.com>
11821
11822         * graphite-isl-ast-to-gimple.c: Fix comment.
11823         * graphite-scop-detection.c (defined_in_loop_p): New.
11824         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
11825         names defined in loop.
11826
11827 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11828             Sebastian Pop  <s.pop@samsung.com>
11829
11830         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
11831         Discard unstructured if-then-else regions.
11832
11833 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11834             Sebastian Pop  <s.pop@samsung.com>
11835
11836         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
11837         (cleanup_loop_iter_dom): Remove.
11838         (build_loop_iteration_domains): Remove.
11839         (build_scop_context): Remove.
11840         (build_scop_iteration_domain): Remove.
11841         (add_loop_constraints): New.
11842         (build_iteration_domains): New.
11843         (build_poly_scop): Call build_iteration_domains.
11844
11845 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11846             Sebastian Pop  <s.pop@samsung.com>
11847
11848         * graphite-scop-detection.c
11849         (scop_detection::harmful_loop_in_region): Free dom and loops.
11850         (scop_detection::loop_body_is_valid_scop): Free bbs.
11851
11852 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11853             Sebastian Pop  <s.pop@samsung.com>
11854
11855         * graphite-scop-detection.c (record_loop_in_sese): New.
11856         (gather_bbs::before_dom_children): Call record_loop_in_sese.
11857         (build_scops): Remove call to build_sese_loop_nests.
11858         * sese.c (sese_record_loop): Remove.
11859         (build_sese_loop_nests): Remove.
11860         (new_sese_info): Remove region->loops.
11861         (free_sese_info): Same.
11862         * sese.h (sese_contains_loop): Same.
11863         (build_sese_loop_nests): Remove.
11864         (sese_contains_loop): Remove.
11865
11866 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11867             Sebastian Pop  <s.pop@samsung.com>
11868
11869         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
11870         loop_is_valid_in_scop.
11871         (scop_detection::harmful_stmt_in_region): Renamed
11872         harmful_loop_in_region.
11873         Call loop_is_valid_in_scop.
11874
11875 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11876             Sebastian Pop  <s.pop@samsung.com>
11877
11878         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
11879         isl_ast_node_mark.
11880
11881 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11882             Sebastian Pop  <s.pop@samsung.com>
11883
11884         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
11885         * graphite.h (struct poly_bb): Remove field is_reduction.
11886         (PBB_IS_REDUCTION): Remove.
11887
11888 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11889             Sebastian Pop  <s.pop@samsung.com>
11890
11891         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
11892         (add_pdr_constraints): Same.
11893         (scop_get_reads): Same.
11894         (scop_get_must_writes): Same.
11895         (scop_get_may_writes): Same.
11896         (scop_get_original_schedule): Same.
11897         (extend_schedule): Same.
11898         (apply_schedule_on_deps): Same.
11899         (carries_deps): Same.
11900         (compute_deps): Same.
11901         (scop_get_dependences): Same.
11902         * graphite-isl-ast-to-gimple.c
11903         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
11904         * graphite-optimize-isl.c (get_schedule_for_band): Same.
11905         (get_schedule_for_band_list): Same.
11906         (get_schedule_map): Same.
11907         (apply_schedule_map_to_scop): Same.
11908         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
11909         (build_loop_iteration_domains): Same.
11910         (add_condition_to_pbb): Same.
11911         (add_param_constraints): Same.
11912         (pdr_add_memory_accesses): Same.
11913         (pdr_add_data_dimensions): Same.
11914
11915 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
11916
11917         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
11918         requirements.
11919
11920 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
11921
11922         * common.opt (feliminate-dwarf2-dups): Replace references to
11923         "DWARF 2" with just "DWARF".
11924         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
11925         * doc/extend.texi: Likewise.
11926         * doc/cpp.texi: Likewise.
11927         * doc/invoke.texi: Likewise.
11928         (Option Summary): Add -gdwarf to list of Debugging Options.
11929         (Debugging Options): Document -gdwarf.
11930         * doc/contrib.texi: Spell "DWARF" like that.
11931
11932 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
11933
11934         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
11935         warning.  Fix up formatting.
11936
11937         PR middle-end/67653
11938         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
11939         attempt to mark memory input operand addressable and
11940         call prepare_gimple_addressable in that case.  Don't adjust
11941         input_location for diagnostics, use error_at instead.
11942
11943 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
11944
11945         * config/rs6000/ppc-auxv.h: New file.
11946         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
11947         (cpu_is): Likewise.
11948         (cpu_supports): Likewise.
11949         * config/rs6000/rs6000.c: include "ppc-auxv.h".
11950         (cpu_is_info): New variable.
11951         (cpu_supports_info): Likewise.
11952         (tcb_verification_symbol): Likewise.
11953         (cpu_builtin_p): Likewise.
11954         (cpu_expand_builtin): New function.
11955         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
11956         (rs6000_init_builtins): Likewise.
11957         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
11958         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
11959         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
11960         * configure: Regenerate.
11961         * config.in: Likewise.
11962         * doc/extend.texi (PowerPC Built-in Functions): Document
11963         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
11964
11965 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
11966
11967         PR target/68609
11968         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
11969         domain check.
11970         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
11971         for V4SFmode.
11972
11973 2016-01-20  Richard Henderson  <rth@redhat.com>
11974
11975         PR bootstrap/69343
11976         PR bootstrap/69339
11977         PR tree-opt/68964
11978         Revert:
11979         * tree.c (tm_define_builtin): New.
11980         (find_tm_vector_type): New.
11981         (build_tm_vector_builtins): New.
11982         (build_common_builtin_nodes): Call it.
11983
11984 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
11985
11986         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
11987         (arm_fp_ok): Likewise.
11988         (arm_fp): Likewise.
11989         (arm_crypto): Likewise.
11990
11991 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
11992             Richard Biener  <rguenther@suse.de>
11993
11994         PR tree-optimization/69328
11995         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
11996         vectors have same number of elements.
11997         (vectorizable_condition): Fix masked version recognition.
11998
11999 2016-01-20  Richard Biener  <rguenther@suse.de>
12000
12001         PR tree-optimization/69345
12002         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
12003         (VN_INFO_PTR_INFO): Likewise.
12004         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
12005         info when it is equal between non-dominating SSA names.
12006         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
12007         Make sure to look at original SSA infos.
12008
12009 2016-01-20  Jeff Law  <law@redhat.com>
12010
12011         PR target/25114
12012         * config/m68k/predicates.md (pow2_m1_operand): New predicate
12013         extracted from ...
12014         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
12015         (pc_or_label_operand): New predicate.
12016         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
12017         tests for small integers that are 2^n - 1.
12018
12019 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
12020
12021         * doc/invoke.texi (Options Summary): Add '.' after @xref.
12022
12023 2016-01-19  Jeff Law  <law@redhat.com>
12024
12025         PR middle-end/69347
12026         * tree-ssa-threadbackwards.c
12027         (fsm_find_control_statement_thread_paths): Do not try to lookup
12028         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
12029
12030 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
12031
12032         * doc/lto.texi: Remove text that says only Gold has linker plugin
12033         support.
12034
12035 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
12036
12037         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
12038         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
12039         the DIE accordingly.
12040         (modified_type_die): Add REVERSE parameter and pass it recursively,
12041         as well as to base_type_die.  Adjust presence check accordingly.
12042         (base_type_for_mode): Adjust call to modified_type_die.
12043         (add_type_attribute): Add REVERSE parameter and pass it to
12044         modified_type_die.
12045         (generic_parameter_die): Adjust call to add_type_attribute.
12046         (add_scalar_info): Likewise.
12047         (add_subscript_info): Likewise.
12048         (gen_array_type_die): Likewise.
12049         (gen_descr_array_type_die): Likewise.
12050         (gen_entry_point_die): Likewise.
12051         (gen_enumeration_type_die): Likewise.
12052         (gen_formal_parameter_die): Likewise.
12053         (gen_subprogram_die): Likewise.
12054         (gen_variable_die ): Likewise.
12055         (gen_const_die): Likewise.
12056         (gen_field_die): Likewise.
12057         (gen_pointer_type_die): Likewise.
12058         (gen_reference_type_die): Likewise.
12059         (gen_ptr_to_mbr_type_die): Likewise.
12060         (gen_inheritance_die): Likewise.
12061         (gen_subroutine_type_die): Likewise.
12062         (gen_typedef_die): Likewise.
12063         (force_type_die): Adjust call to modified_type_die.
12064
12065 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
12066
12067         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
12068         flow throughout the file.  Fix broken link to Objective-C 2.0
12069         documentation.
12070         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
12071         errors.
12072
12073 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12074
12075         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
12076
12077 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12078
12079         PR ipa/66223
12080         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
12081         (maybe_record_node): Record cxa_pure_virtual as the only possible
12082         target if there are not ohter candidates.
12083         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
12084
12085 2016-01-19  Richard Biener  <rguenther@suse.de>
12086
12087         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
12088         (get_memory_order): Likewise.
12089
12090 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
12091
12092         * tree-vect-stmts.c (vectorizable_store): Check
12093         rhs vectype.
12094
12095 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
12096
12097         PR jit/68446
12098         * gcc.c (driver::decode_argv): Add call to
12099         init_opts_obstack before init_options_struct.
12100         * opts.c (init_opts_obstack): Remove idempotency.
12101         (init_options_struct): Replace call to init_opts_obstack
12102         with a gcc_assert to verify that it has already been called.
12103         * toplev.c (toplev::main): Add call to init_opts_obstack before
12104         calls to init_options_struct.
12105         (toplev::finalize): Move cleanup of opts_obstack next to
12106         cleanup of save_decoded_options, clearing the latter, and
12107         save_decoded_options_count.
12108
12109 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12110
12111         PR target/69135
12112         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
12113         attribute to unconditional.  Remove %? from output template.
12114
12115 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12116             Jiong Wang  <jiong.wang@arm.com>
12117
12118         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
12119         generated from different expand order.
12120
12121 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12122
12123         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
12124         Add support for CCMP costing.
12125
12126 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12127
12128         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
12129         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
12130         (fccmpe<mode>): Likewise.
12131         (fcmp): Rename to fcmp and globalize pattern.
12132         (fcmpe): Likewise.
12133         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
12134         (aarch64_gen_ccmp_next): Add FP support.
12135
12136 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12137
12138         * target.def (gen_ccmp_first): Update documentation.
12139         (gen_ccmp_next): Likewise.
12140         * doc/tm.texi (gen_ccmp_first): Update documentation.
12141         (gen_ccmp_next): Likewise.
12142         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
12143         expand_ccmp_expr_1.  Improve comments.
12144         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
12145         (ccmp_ior<mode>): Remove pattern.
12146         (cmp<mode>): Remove expand.
12147         (cmp): Globalize pattern.
12148         (cstorecc4): Use cc_register.
12149         (mov<mode>cc): Remove ccmp_cc_register check.
12150         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
12151         Simplify after removal of CC_DNE/* modes.
12152         (aarch64_ccmp_mode_to_code): Remove.
12153         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
12154         In 'k' case use integer as condition.
12155         (aarch64_nzcv_codes): Remove inverted cases.
12156         (aarch64_code_to_ccmode): Remove.
12157         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
12158         comparison with CC register to be used in folowing CCMP/branch/CSEL.
12159         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
12160         pattern.  Return the comparison with CC register.  Invert conditions
12161         when bitcode is OR.
12162         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
12163         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
12164
12165 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12166
12167         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
12168         instrumented_version.
12169
12170 2016-01-19  Richard Biener  <rguenther@suse.de>
12171
12172         PR tree-optimization/69336
12173         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
12174         handled components with get_ref_base_and_extent.
12175         (equal_mem_array_ref_p): Adjust.
12176
12177 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
12178
12179         PR debug/65779
12180         * shrink-wrap.c: Include valtrack.h.
12181         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
12182         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
12183         in between insn and where it will be moved to.  Call
12184         dead_debug_insert_temp.
12185         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
12186         first and dead_debug_local_finish at the end.
12187         For uses and defs bitmap, handle all regs in between REGNO and
12188         END_REGNO, not just the first one.
12189
12190 2016-01-19  Richard Biener  <rguenther@suse.de>
12191
12192         PR tree-optimization/69352
12193         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
12194         (equal_mem_array_ref_p): Constrain size and max size properly.
12195         Compare the reverse flag.
12196
12197 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
12198
12199         * ira.c (ira): Update regstat data if we deleted insns.
12200
12201 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
12202
12203         PR rtl-optimization/68955
12204         PR rtl-optimization/64557
12205         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
12206         here.  Fix up formatting.
12207         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
12208
12209 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12210
12211         PR lto/69133
12212         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
12213         assume that the node has body.
12214         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
12215         check.
12216
12217 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12218
12219         * lto-streamer-out.c (lto_output): Do not stream instrumentation
12220         thunks.
12221
12222 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12223
12224         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
12225         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
12226
12227 2016-01-19  Martin Jambor  <mjambor@suse.cz>
12228             Martin Liska  <mliska@suse.cz>
12229             Michael Matz  <matz@suse.de>
12230
12231         * Makefile.in (OBJS): Add new source files.
12232         (GTFILES): Add hsa.c.
12233         * common.opt (disable_hsa): New variable.
12234         (-Whsa): New warning.
12235         * config.in (ENABLE_HSA): New.
12236         * configure.ac: Treat hsa differently from other accelerators.
12237         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
12238         $enable_offloading.
12239         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
12240         * doc/install.texi (Configuration): Document --with-hsa-runtime,
12241         --with-hsa-runtime-include, --with-hsa-runtime-lib and
12242         --with-hsa-kmt-lib.
12243         * doc/invoke.texi (-Whsa): Document.
12244         (hsa-gen-debug-stores): Likewise.
12245         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
12246         to invoke offload compiler for hsa acclerator.
12247         * opts.c (common_handle_option): Determine whether HSA offloading
12248         should be performed.
12249         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
12250         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
12251         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
12252         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
12253         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
12254         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
12255         GF_OMP_FOR_KIND_GRID_LOOP.
12256         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
12257         (pp_gimple_stmt_1): Likewise.
12258         * gimple-walk.c (walk_gimple_stmt): Likewise.
12259         * gimple.c (gimple_build_omp_grid_body): New function.
12260         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
12261         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
12262         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
12263         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
12264         GF_OMP_TEAMS_GRID_PHONY.
12265         (gimple_statement_omp_single_layout): Updated comments.
12266         (gimple_build_omp_grid_body): New function.
12267         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
12268         (gimple_omp_for_grid_phony): New function.
12269         (gimple_omp_for_set_grid_phony): Likewise.
12270         (gimple_omp_parallel_grid_phony): Likewise.
12271         (gimple_omp_parallel_set_grid_phony): Likewise.
12272         (gimple_omp_teams_grid_phony): Likewise.
12273         (gimple_omp_teams_set_grid_phony): Likewise.
12274         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
12275         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
12276         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
12277         (BUILT_IN_GOMP_TARGET): Updated type.
12278         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
12279         (adjust_for_condition): New function.
12280         (get_omp_for_step_from_incr): Likewise.
12281         (extract_omp_for_data): Moved parts to adjust_for_condition and
12282         get_omp_for_step_from_incr.
12283         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
12284         (fixup_child_record_type): Bail out if receiver_decl is NULL.
12285         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
12286         (scan_omp_parallel): Do not create child functions for phony
12287         constructs.
12288         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
12289         (scan_omp_1_op): Checking assert we are not remapping to
12290         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
12291         (parallel_needs_hsa_kernel_p): New function.
12292         (expand_parallel_call): Register apprpriate parallel child
12293         functions as HSA kernels.
12294         (grid_launch_attributes_trees): New type.
12295         (grid_attr_trees): New variable.
12296         (grid_create_kernel_launch_attr_types): New function.
12297         (grid_insert_store_range_dim): Likewise.
12298         (grid_get_kernel_launch_attributes): Likewise.
12299         (get_target_argument_identifier_1): Likewise.
12300         (get_target_argument_identifier): Likewise.
12301         (get_target_argument_value): Likewise.
12302         (push_target_argument_according_to_value): Likewise.
12303         (get_target_arguments): Likewise.
12304         (expand_omp_target): Call get_target_arguments instead of looking
12305         up for teams and thread limit.
12306         (grid_expand_omp_for_loop): New function.
12307         (grid_arg_decl_map): New type.
12308         (grid_remap_kernel_arg_accesses): New function.
12309         (grid_expand_target_kernel_body): New function.
12310         (expand_omp): Call it.
12311         (lower_omp_for): Do not emit phony constructs.
12312         (lower_omp_taskreg): Do not emit phony constructs but create for them
12313         a temporary variable receiver_decl.
12314         (lower_omp_taskreg): Do not emit phony constructs.
12315         (lower_omp_teams): Likewise.
12316         (lower_omp_grid_body): New function.
12317         (lower_omp_1): Call it.
12318         (grid_reg_assignment_to_local_var_p): New function.
12319         (grid_seq_only_contains_local_assignments): Likewise.
12320         (grid_find_single_omp_among_assignments_1): Likewise.
12321         (grid_find_single_omp_among_assignments): Likewise.
12322         (grid_find_ungridifiable_statement): Likewise.
12323         (grid_target_follows_gridifiable_pattern): Likewise.
12324         (grid_remap_prebody_decls): Likewise.
12325         (grid_copy_leading_local_assignments): Likewise.
12326         (grid_process_kernel_body_copy): Likewise.
12327         (grid_attempt_target_gridification): Likewise.
12328         (grid_gridify_all_targets_stmt): Likewise.
12329         (grid_gridify_all_targets): Likewise.
12330         (execute_lower_omp): Call grid_gridify_all_targets.
12331         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
12332         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
12333         (tree_omp_clause): Added union field dimension.
12334         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
12335         * tree.c (omp_clause_num_ops): Added number of arguments of
12336         OMP_CLAUSE__GRIDDIM_.
12337         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
12338         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
12339         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
12340         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
12341         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
12342         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
12343         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
12344         * tree-pass.h (make_pass_gen_hsail): Declare.
12345         (make_pass_ipa_hsa): Likewise.
12346         * ipa-hsa.c: New file.
12347         * lto-section-in.c (lto_section_name): Add hsa section name.
12348         * lto-streamer.h (lto_section_type): Add hsa section.
12349         * timevar.def (TV_IPA_HSA): New.
12350         * hsa-brig-format.h: New file.
12351         * hsa-brig.c: New file.
12352         * hsa-dump.c: Likewise.
12353         * hsa-gen.c: Likewise.
12354         * hsa.c: Likewise.
12355         * hsa.h: Likewise.
12356         * toplev.c (compile_file): Call hsa_output_brig.
12357         * hsa-regalloc.c: New file.
12358
12359 2016-01-18  Jeff Law  <law@redhat.com>
12360
12361         PR tree-optimization/69320
12362         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
12363         ranged object, do nothing if the RHS constant is not [0..1].
12364         (optimize_stmt): Comparing a boolean ranged object against a
12365         constant outside [0..1] results in a compile-time constant.
12366
12367         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
12368         test.
12369
12370 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
12371
12372         * doc/invoke.texi (Invoking GCC): Add new section to menu.
12373         (Option Summary): Update to reflect new section and moved options.
12374         (C++ Dialect Options): Move -fstats to new section.
12375         (Debugging Options): Move all dump, statistics, and other GCC
12376         developer options to new section.  Rewrite section introduction
12377         and re-order remaining options to put the more basic ones first.
12378         (Optimization Options): Move -fira-verbose and -flto-report* to
12379         new section.
12380         (Developer Options): New section incorporating moved options.
12381         * doc/cppopts.texi (-dM): Update cross-reference.
12382
12383 2016-01-18  Richard Henderson  <rth@redhat.com>
12384
12385         PR target/69176
12386         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
12387         operands to pseudo only if CSE is expected.  Split long immediate
12388         operands only after reload, and for the stack pointer.
12389         (*add<GPI>3_pluslong): Remove.
12390         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
12391         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
12392         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
12393         (*add<GPI>3 peepholes): New.
12394         (*add<GPI>3 splitters): New.
12395         * config/aarch64/constraints.md (Upl): New.
12396         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
12397
12398 2016-01-18  Richard Biener  <rguenther@suse.de>
12399
12400         PR tree-optimization/69297
12401         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
12402         stmt at most once.
12403         (vect_bb_vectorization_profitable_p): Clear visited flag again.
12404
12405 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
12406
12407         PR middle-end/68542
12408         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
12409         of mixind vector and scalar types.
12410         (fold_relational_const): Add handling of vector
12411         comparison with boolean result.
12412         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
12413         comparison of vector operands with boolean result for EQ/NE only.
12414         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
12415         (verify_gimple_cond): Likewise.
12416         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
12417         valid type of VAL.
12418
12419 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
12420
12421         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
12422         !TARGET_OCTEON.
12423
12424 2016-01-18  Richard Biener  <rguenther@suse.de>
12425
12426         PR middle-end/69308
12427         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
12428
12429 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12430
12431         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
12432
12433 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12434
12435         * omp-low.c (set_oacc_fn_attrib): Make extern.
12436         * omp-low.h (set_oacc_fn_attrib): Declare.
12437         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
12438         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
12439         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
12440         Add and handle function parameter oacc_kernels_p.
12441         (find_reduc_addr, get_omp_data_i_param): New function.
12442         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
12443         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
12444         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
12445         Calculate dominance info.  Skip loops that are not in a kernels region
12446         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
12447         (pass_parallelize_loops::execute): Call parallelize_loops with
12448         oacc_kernels_p argument.
12449         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
12450         New member function.
12451         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
12452         * passes.def: Add argument to pass_parallelize_loops instantation.
12453
12454 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12455
12456         * tree-parloops.c (pass_parallelize_loops::execute): Allow
12457         pass_parallelize_loops to be run outside the loop pipeline.
12458
12459 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12460
12461         * tree-scalar-evolution.c (follow_copies_to_constant): New.
12462         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
12463
12464 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12465
12466         PR target/63679
12467         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
12468         using get_ref_base_and_extent.
12469         (equal_mem_array_ref_p): New.
12470         (hashable_expr_equal_p): Add call to previous.
12471
12472 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12473
12474         PR target/63679
12475         * tree-sra.c (disqualified_constants, constant_decl_p): New.
12476         (sra_initialize): Allocate disqualified_constants.
12477         (sra_deinitialize): Free disqualified_constants.
12478         (disqualify_candidate): Update disqualified_constants when appropriate.
12479         (create_access): Scan for constant-pool entries as we go along.
12480         (scalarizable_type_p): Add check against type_contains_placeholder_p.
12481         (maybe_add_sra_candidate): Allow constant-pool entries.
12482         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
12483         (initialize_constant_pool_replacements): New.
12484         (sra_modify_assign): Avoid mangling assignments created by previous,
12485         and don't generate writes into constant pool.
12486         (sra_modify_function_body): Call initialize_constant_pool_replacements.
12487
12488 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
12489
12490         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
12491         andnot instruction.
12492         (scalar_chain::convert_op): Likewise.
12493         * config/i386/i386.md (*andndi3_doubleword): New.
12494
12495 2016-01-18  Richard Biener  <rguenther@suse.de>
12496
12497         PR tree-optimization/69170
12498         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
12499         building a vector from scalar results of a pattern stmt.
12500
12501 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
12502
12503         * haifa-sched.c (autopref_multipass_init): Work around
12504         -Wmaybe-uninitialized warning.
12505
12506 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12507
12508         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
12509         against the constant 0.
12510
12511 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12512
12513         PR tree-optimization/68799
12514         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
12515         look up phi candidates in the statement-candidate map.
12516         (phi_add_costs): Likewise.
12517         (record_phi_increments): Likewise.
12518         (phi_incr_cost): Likewise.
12519         (ncd_with_phi): Likewise.
12520         (all_phi_incrs_profitable): Likewise.
12521
12522 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
12523
12524         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
12525         -Wmaybe-uninitialized warning.
12526
12527 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
12528
12529         * doc/invoke.texi (Invoking GCC): Add new section to menu.
12530         (Option Summary): Update to reflect new section and moved options.
12531         (C++ Dialect Options): Move -fvtable-verify and related options.
12532         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
12533         and profiling-related options.
12534         (Optimization Options): Move profile generation options and
12535         -fstack-protector and related options.
12536         (Instrumentation Options): New section incorporating moved options.
12537         (Code Generation Options): Move -finstrument-functions and
12538         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
12539
12540 2016-01-16  Tom de Vries  <tom@codesourcery.com>
12541
12542         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
12543
12544 2016-01-16  Tom de Vries  <tom@codesourcery.com>
12545
12546         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
12547
12548 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
12549
12550         * hash-table.h (hash_table::empty): Turn into an inline wrapper
12551         that checks whether the table is already empty.  Rename the
12552         original implementation to...
12553         (hash_table::empty_slot): ...this new private function.
12554
12555 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
12556
12557         PR diagnostic/68899
12558         * diagnostic-show-locus.c (layout::print_source_line): Move x
12559         offset of line until after call to
12560         get_line_width_without_trailing_whitespace.
12561
12562 2016-01-15  Jeff Law  <law@redhat.com>
12563
12564         PR tree-optimization/69270
12565         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
12566         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
12567         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
12568         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
12569         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
12570         ssa_name_has_boolean_range and constant_boolean_node.
12571
12572 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
12573
12574         PR rtl-optimization/69030
12575         * lra-spills.c (remove_pseudos): Check nrefs and make the function
12576         returning bool.
12577         (spill_pseudos): Delete debug insn for dead pseudo.
12578         (lra_spill): Initiate spill_hard_reg and slots memory separately.
12579
12580 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
12581
12582         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
12583         New.
12584         (TYPES_UNOPUS): Likewise.
12585         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
12586         builtin type, from UNOP to UNOPUS.
12587         (lbtruncuv4sf): Likewise.
12588         (lbtruncuv2df): Likewise.
12589         (lrounduv2sf): Likewise.
12590         (lrounduv4sf): Likewise.
12591         (lrounduv2df): Likewise.
12592         (lroundusf): Likewise.
12593         (lroundusf): Likewise.
12594         (lceiluv2sf): Likewise.
12595         (lceiluv4sf): Likewise.
12596         (lceiluv2df): Likewise.
12597         (lceilusf): Likewise.
12598         (lceiludf): Likewise.
12599         (lflooruv2sf): Likewise.
12600         (lflooruv4sf): Likewise.
12601         (lflooruv2df): Likewise.
12602         (lfloorusf): Likewise.
12603         (lfloorudf): Likewise.
12604         (lfrintnuv2sf): Likewise.
12605         (lfrintnuv4sf): Likewise.
12606         (lfrintnuv2df): Likewise.
12607         (lfrintnusf): Likewise.
12608         (lfrintnudf): Likewise.
12609         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
12610         conversion.
12611         (vcvtq_u32_f32): Likewise.
12612         (vcvtq_u64_f64): Likewise.
12613         (vcvta_u32_f32): Likewise.
12614         (vcvtaq_u32_f32): Likewise.
12615         (vcvtaq_u64_f64): Likewise.
12616         (vcvtm_u32_f32): Likewise.
12617         (vcvtmq_u32_f32): Likewise.
12618         (vcvtmq_u64_f64): Likewise.
12619         (vcvtn_u32_f32): Likwise.
12620         (vcvtnq_u32_f32): Likewise.
12621         (vcvtnq_u64_f64): Likewise.
12622         (vcvtp_u32_f32): Likewise.
12623         (vcvtpq_u32_f32): Likewise.
12624         (vcvtpq_u64_f64): Likewise.
12625         (vcvtmd_u64_f64): Likewise.
12626         (vcvtms_u32_f32): Likewise.
12627         (vcvtad_u64_f64): Likewise.
12628         (vcvtas_u32_f32): Likewise.
12629         (vcvtnd_u64_f64): Likewise.
12630         (vcvtns_u32_f32): Likewise.
12631         (vcvtpd_u64_f64): Likewise.
12632         (vcvtps_u32_f32): Likewise.
12633
12634 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12635
12636         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
12637         CSEL of zero_extended registers.
12638
12639 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12640
12641         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
12642         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
12643
12644 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12645
12646         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
12647         false when argument string is not found in the attributes table
12648         at all.
12649
12650 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
12651
12652         PR target/68609
12653         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
12654         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
12655         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
12656         precision estimate.
12657
12658 2016-01-15  Richard Biener  <rguenther@suse.de>
12659
12660         PR tree-optimization/66856
12661         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
12662         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
12663         (vect_create_new_slp_node): Increment stmt reference count.
12664         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
12665         an SLP tree before swapping operands.
12666         (vect_build_slp_tree): Likewise.
12667         (destroy_bb_vec_info): Free stmt info after SLP instances.
12668         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
12669         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
12670         (STMT_VINFO_NUM_SLP_USES): New macro.
12671
12672 2016-01-15  Richard Biener  <rguenther@suse.de>
12673
12674         PR debug/69137
12675         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
12676         (add_linkage_name): ... here.
12677         (gen_typedef_die): Use add_linkage_name_raw instead of
12678         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
12679         if necessary.
12680
12681 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
12682
12683         * gimplify.c (oacc_default_clause): Decode reference and pointer
12684         types for both kernels and parallel regions.
12685
12686 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
12687
12688         PR middle-end/69246
12689         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
12690
12691 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
12692
12693         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
12694         (convert_scalars_to_vector): Likewise.
12695
12696 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
12697
12698         * doc/extend.texi (Type Traits): Fix grammar.
12699
12700 2016-01-15  Martin Jambor  <mjambor@suse.cz>
12701
12702         * tree-inline.c (remap_decl): Use existing dclarations if
12703         remapping a type and prevent_decl_creation_for_types.
12704         (replace_locals_stmt): Do an initial remapping of non-VLA typed
12705         decls first.  Do real remapping with
12706         prevent_decl_creation_for_types set.
12707         * tree-inline.h (copy_body_data): New field
12708         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
12709         padding.
12710
12711 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12712
12713         * config/s390/s390.opt (mmvcle): More verbose help text.
12714
12715 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12716
12717         * config/s390/s390.opt: Add period to -mzvector option text.
12718
12719 2016-01-15  Richard Biener  <rguenther@suse.de>
12720
12721         PR tree-optimization/68961
12722         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
12723         of invariants in stores again.
12724
12725 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
12726
12727         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
12728
12729 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
12730
12731         * config/i386/i386.c (ix86_expand_branch): Don't split
12732         DI mode xor instruction to SI mode.
12733
12734 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
12735
12736         PR ipa/68148
12737         * ipa-icf.c (sem_function::merge): Virtual functions may become
12738         reachable even if they address is not taken and there are no
12739         idrect calls.
12740
12741 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
12742
12743         * lto-streamer-out.c (subtract_estimated_size): New function.
12744         (get_symbol_initial_value): Use it.
12745
12746 2016-01-15  Christian Bruel  <christian.bruel@st.com>
12747
12748         PR target/65837
12749         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
12750         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
12751         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
12752         use add_builtin_function_ext_scope instead of add_builtin_function.
12753         (neon_set_p, neon_crypto_set_p): Remove.
12754         (arm_init_builtins): Always call arm_init_neon_builtins and
12755         arm_init_crypto_builtins.
12756         (arm_expand_builtin): Check that builtins are allowed for the arch.
12757         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
12758         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
12759         arm_init_neon_builtins call.
12760
12761 2016-01-15  Richard Biener  <rguenther@suse.de>
12762
12763         PR tree-optimization/69117
12764         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
12765         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
12766         of the leader conservatively.
12767         (free_scc_vn): Restore original SSA name infos.
12768
12769 2016-01-14  Jeff Law  <law@redhat.com>
12770
12771         PR tree-optimization/69270
12772         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
12773         single bit of precision, verify it's also unsigned.
12774         (record_edge_info): Use constant_boolean_node rather than fold_convert
12775         to convert boolean_true/boolean_false to the right type.
12776
12777 2016-01-14  Richard Henderson  <rth@redhat.com>
12778
12779         PR rtl-opt/69014
12780         * loop-doloop.c (record_reg_sets): New.
12781         (doloop_optimize): Reject the transform if the sequence
12782         clobbers registers live at the end of the loop block.
12783         (doloop_optimize_loops): Enable df_live if needed.
12784
12785 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
12786
12787         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
12788         * config/rs6000/rs6000.c: Likewise.
12789         * config/rs6000/rs6000.h: Likewise.
12790         * config/rs6000/rs6000.md: Likewise.
12791         * doc/extend.texi: Likewsie.
12792
12793 2016-01-14  Jeff Law  <law@redhat.com>
12794
12795         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
12796         typo.
12797
12798 2016-01-14  Richard Henderson  <rth@redhat.com>
12799
12800         PR c/69272
12801         PR tree-opt/68964
12802         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
12803         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
12804         instead of builtin_decl_declared_p to test for declaration.
12805
12806 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
12807
12808         * doc/loop.texi (Loop Analysis and Representation): Document
12809         loop_depth function.
12810
12811 2016-01-14  Tom de Vries  <tom@codesourcery.com>
12812
12813         PR tree-optimization/68773
12814         * omp-low.c (expand_omp_target): Don't set force_output.
12815         * varpool.c (varpool_node::get_create): Same.
12816         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
12817         offload_funcs with force_output.
12818
12819 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12820
12821         PR debug/69244
12822         * lra-eliminations.c (move_plus_up): Don't change anything if either
12823         the outer or inner subreg mode is not MODE_INT.
12824         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
12825         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
12826
12827 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
12828
12829         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
12830         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
12831         reduc_uplus_@var{m}): Remove.
12832         * expr.c (expand_expr_real_2): Remove expansion path for
12833         reduc_[us](min|max|plus) optabs.
12834         * optabs-tree.c (scalar_reduc_to_vector): Remove.
12835         * optabs-tree.h (scalar_reduc_to_vector): Remove.
12836         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
12837         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
12838         * tree-vect-loop.c (vectorizable_reduction): Remove test for
12839         reduc_[us](min|max|plus) optabs.
12840
12841 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
12842
12843         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
12844         (reduc_plus_scal_v2sf): New.
12845         (reduc_smax_v2sf): Rename to...
12846         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
12847         (reduc_smin_v2sf): Rename to...
12848         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
12849
12850 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
12851
12852         * alias.c (compare_base_symbol_refs): New function.
12853         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
12854         it.
12855
12856 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12857
12858         PR middle-end/68146
12859         PR tree-optimization/69155
12860         * tree-complex.c: Include cfganal.h.
12861         (phis_to_revisit): New variable.
12862         (extract_component): Add phiarg_p argument.  Assert that returned
12863         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
12864         (update_phi_components): Partly rewrite to use loop over real/imag
12865         components instead of code duplication.  If extract_component returns
12866         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
12867         create_tmp_reg into the PHI node instead, and mention the phi triplet
12868         in phis_to_revisit.
12869         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
12870         in phis_to_revisit at the end.
12871
12872 2016-01-14  Richard Biener  <rguenther@suse.de>
12873
12874         PR tree-optimization/68060
12875         * tree-vect-loop.c (vect_is_simple_reduction): Check the
12876         outer loop reduction is only used in the inner loop before
12877         detecting a double reduction.
12878
12879 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12880
12881         PR target/68269
12882         * combine.c (expand_field_assignment): Punt if compute_mode is
12883         unsupported scalar mode.
12884
12885 2016-01-14  Richard Biener  <rguenther@suse.de>
12886
12887         PR tree-optimization/66856
12888         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
12889         SLP node only if it built successfully.
12890         (vect_analyze_slp_instance): Adjust.
12891
12892 2016-01-14  Jeff Law  <law@redhat.com>
12893
12894         PR tree-optimization/69270
12895         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
12896         (record_edge_info): Use it.  Convert boolean_{true,false}_node
12897         to the type of op0.
12898
12899 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
12900
12901         PR ipa/66487
12902         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
12903         use block_ultimate_origin
12904         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
12905
12906 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
12907
12908         * doc/invoke.texi (Submodel Options): Rename section to
12909         "Machine-Dependent Options" to better reflect its content.
12910         Rewrite introductory text to remove archaic CPU names.
12911         Update references.
12912
12913 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
12914
12915         * doc/invoke.texi (Code Gen Options): Move section up in file,
12916         before target-specific options.  Update menu and option summary
12917         to reflect the new section ordering.
12918
12919 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
12920
12921         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
12922         (C++ Dialect Options): Add cross-reference to -std option.
12923         * doc/standards.texi (C++ Language): Document C++14 support.
12924
12925 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
12926
12927         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
12928         for pack/unpack functions for __ibm128.
12929         (PACK_IF): Likewise.
12930         (UNPACK_IF): Likewise.
12931
12932         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
12933         support for __ibm128 pack/unpack functions.
12934         (rs6000_invalid_builtin): Likewise.
12935         (rs6000_init_builtins): Likewise.
12936         (rs6000_opt_masks): Likewise.
12937
12938         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
12939         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
12940         functions
12941         (RS6000_BTM_COMMON): Likewise.
12942
12943         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
12944         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
12945         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
12946         128-bit floating point.  Add support for the double values to be
12947         in Altivec registers for TF/IF packing and unpacking, but restrict
12948         TD packing sub-fields to be FPR registers.  Don't allow overlapped
12949         register support for packing.  Allow pack inputs to be memory
12950         locations.  Don't build generator functions for unpack<mode>_dm
12951         and unpack<mode>_nodm.
12952         (unpack<mode>_dm): Likewise.
12953         (unpack<mode>_nodm): Likewise.
12954         (pack<mode>): Likewise.
12955
12956         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
12957         built-in functions to pack/unpack explicit __ibm128 values.
12958         (__builtin_unpack_ibm128): Likewise.
12959
12960         * doc/extend.texi (PowerPC Built-in Functions): Document
12961         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
12962
12963 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
12964
12965         PR c/66208
12966         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
12967         Add new arg loc and pass it down as context.
12968         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
12969         to the location to use for the warning.
12970         (check_function_arguments): New arg loc.  All callers changed.  Pass
12971         it to check_function_nonnull.
12972         * c-common.h (check_function_arguments): Adjust declaration.
12973
12974 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
12975
12976         PR tree-optimization/69156
12977         * gimple.c (validate_type): Removed.
12978         (gimple_builtin_call_types_compatible_p): Use
12979         useless_type_conversion_p instead of validate_type.
12980         * value-prof.c (gimple_stringop_fixed_value): Fold
12981         icall_size to correct type.
12982
12983 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
12984
12985         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
12986         effects.
12987
12988 2016-01-13  Richard Henderson  <rth@redhat.com>
12989
12990         PR tree-opt/68964
12991         * target.def (builtin_tm_load, builtin_tm_store): Remove.
12992         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
12993         (ix86_builtin_tm_store): Remove.
12994         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
12995         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
12996         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
12997         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
12998         * doc/tm.texi: Rebuild.
12999
13000         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
13001         (BUILT_IN_TM_MEMCPY_RTWN): New.
13002         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
13003         fallback from vector to integer helpers.
13004         (build_tm_load): Handle vector types directly, instead of
13005         via target hook.
13006         (build_tm_store): Likewise.
13007         (expand_assign_tm): Prepare for register types not handled by
13008         the above.  Copy them to memory and use memcpy.
13009         * tree.c (tm_define_builtin): New.
13010         (find_tm_vector_type): New.
13011         (build_tm_vector_builtins): New.
13012         (build_common_builtin_nodes): Call it.
13013
13014 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
13015
13016         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
13017         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
13018
13019 2016-01-13  Tom de Vries  <tom@codesourcery.com>
13020
13021         PR tree-optimization/69169
13022         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
13023         handled_struct_type param.
13024         (create_variable_info_for, intra_create_variable_infos): Call
13025         create_variable_info_for_1 with extra arg.
13026
13027 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
13028
13029         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
13030         and "armv8.1-a+crc" entries.
13031
13032 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
13033
13034         PR target/69228
13035         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
13036         Change first operand predicate from register_or_constm1_operand
13037         to register_operand.
13038         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
13039         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
13040         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
13041         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
13042         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
13043         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
13044         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
13045         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
13046         comparison with constm1_rtx from vec_prefetch_gen part.
13047
13048 2016-01-13  Richard Biener  <rguenther@suse.de>
13049
13050         PR tree-optimization/69013
13051         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
13052         Exchange assert for a test.
13053
13054 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13055
13056         PR target/69247
13057         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
13058
13059 2016-01-13  Richard Biener  <rguenther@suse.de>
13060
13061         PR tree-optimization/69242
13062         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
13063         assert with a check.
13064
13065 2016-01-13  Richard Biener  <rguenther@suse.de>
13066
13067         PR tree-optimization/69186
13068         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
13069         Properly guard vect_update_misalignment_for_peel call.
13070
13071 2016-01-12  Jeff Law  <law@redhat.com>
13072
13073         PR tree-optimization/pr67755
13074         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
13075         "need_profile_correction".
13076         (thread_block_1): Initialize new field to false by default.  If we
13077         have multiple thread paths through a common joiner to different
13078         final targets, then set new field to true.
13079         (compute_path_counts): Only do count adjustment when it's really
13080         needed.
13081
13082 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
13083
13084         * doc/invoke.texi (Spec Files): Move section down in file, past
13085         all command-line option descriptions.
13086
13087 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
13088
13089         PR middle-end/54809
13090         * doc/gty.texi: Remove documentation of mark_hook.
13091         * gengtype.c (struct write_types_data): Remove code to support
13092         mark_hook attribute.
13093         (walk_type): Likewise.
13094         (write_func_for_structure): Likewise.
13095
13096 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
13097
13098         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
13099         Directory Options, and -specs= to Overall Options.
13100         (Overall Options): Adjust similarly.  Reorder to group related
13101         options together.  Make -specs= cross-reference the spec file details.
13102         (Directory Options): Adjust similarly.
13103
13104 2016-01-12  Jeff Law  <law@redhat.com>
13105
13106         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
13107
13108 2016-01-12  Olivier Hainque  <hainque@adacore.com>
13109
13110         * gcc.c (spec_undefvar_allowed): New global.
13111         (process_command): Set to true when running for --version or --help,
13112         alone or together.
13113         (getenv_spec_function): When the variable is not defined, use the
13114         variable name as the variable value if we're allowed not to issue
13115         a fatal error.
13116
13117 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
13118
13119         PR tree-optimization/68911
13120         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
13121         information computed for expression "init + nit * step".
13122
13123 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
13124
13125         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
13126         about name of GCC executable.  Remove deleted node from menu.
13127         (Directory Options) <-B>: Remove cross-reference to deleted node.
13128         (Target Options): Delete section.
13129
13130 2016-01-12  Christian Bruel  <christian.bruel@st.com>
13131
13132         PR target/69180
13133         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
13134         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
13135
13136 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
13137
13138         PR target/69198
13139         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
13140         aligned_mem is properly set for AVX512-VL floating point masked
13141         stores.
13142
13143         PR target/69175
13144         * ifcvt.c (cond_exec_process_if_block): When removing the last
13145         insn from then_bb, remove also any possible barriers that follow it.
13146
13147 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
13148
13149         PR target/68456
13150         PR target/69226
13151         * config/i386/iamcu.h (SIZE_TYPE): New macro.
13152         (PTRDIFF_TYPE): Likewise.
13153         (WCHAR_TYPE): Likewise.
13154         (WCHAR_TYPE_SIZE): Likewise.
13155         (STDINT_LONG32): Likewise.
13156
13157 2016-01-12  Richard Biener  <rguenther@suse.de>
13158
13159         PR tree-optimization/69053
13160         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
13161         convert initial value for cond reductions.
13162
13163 2016-01-12  Richard Biener  <rguenther@suse.de>
13164
13165         PR tree-optimization/69007
13166         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
13167         widen_sum after dot_prod and sad.
13168
13169 2016-01-12  Richard Biener  <rguenther@suse.de>
13170
13171         PR tree-optimization/69168
13172         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
13173         pattern stmt SLP type.
13174         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
13175         end up unused so cope with that case.
13176
13177 2016-01-12  Richard Biener  <rguenther@suse.de>
13178
13179         PR tree-optimization/69157
13180         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
13181         stmts def type only during analyze phase.
13182         (vectorizable_call): Likewise.
13183         (vectorizable_simd_clone_call): Likewise.
13184         (vectorizable_conversion): Likewise.
13185         (vectorizable_assignment): Likewise.
13186         (vectorizable_shift): Likewise.
13187         (vectorizable_operation): Likewise.
13188         (vectorizable_store): Likewise.
13189         (vectorizable_load): Likewise.
13190
13191 2016-01-12  Richard Biener  <rguenther@suse.de>
13192
13193         PR tree-optimization/69174
13194         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
13195         space.
13196         (vectorizable_load): Properly compute the number of loads needed
13197         for permuted strided SLP loads and do not spuriously assign
13198         to SLP_TREE_VEC_STMTS.
13199
13200 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
13201
13202         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
13203         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
13204         (MD_EXEC_PREFIX): Remove.
13205         (MD_STARTFILE_PREFIX) Removee.
13206         (FILE_NAME_ABSOLUTE_P): Remove.
13207         (CPP_SPEC): Do not read macros from sys/version.h.
13208         (LINK_COMMAND_SPEC): Remove.
13209         (LOCAL_INCLUDE_DIR): Remove.
13210         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
13211         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
13212         (POST_LINK_SPEC): Define to invoke stubify after linker
13213         (LIBSTDCXX): Remove define
13214         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
13215         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
13216         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
13217         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
13218         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
13219         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
13220         (i386_djgpp_asm_named_section): Add propotype of new procedure
13221
13222         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
13223         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
13224         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
13225         in config/i386/djgpp.h).
13226         (STANDARD_STARTFILE_PREFIX_2): Define identical to
13227         STANDARD_STARTFILE_PREFIX_1.
13228         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
13229         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
13230         installation errors.
13231         (MAX_OFILE_ALIGNMENT): Define to 128.
13232         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
13233
13234         * config/i386/djgpp.c: New file. Add implementation of
13235         i386_djgpp_asm_named_section.
13236
13237         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
13238
13239         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
13240         Add rule for building djgpp.o.
13241
13242 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13243
13244         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
13245         (rtx_is_swappable_p): Reductions are swappable.
13246         (insn_is_swappable_p): V2DF reductions are swappable.
13247
13248 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
13249
13250         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
13251         reloads for other unsupported memory operands.
13252
13253 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
13254             Jim Wilson  <jim.wilson@linaro.org>
13255
13256         PR target/69194
13257         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
13258         copy_to_mode_reg instead of force_reg.
13259
13260 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
13261
13262         PR target/69225
13263         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
13264         TARGET_80387 is true.
13265
13266 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
13267
13268         PR target/69071
13269         * lra-eliminations.c (move_plus_up): Only move plus up
13270         if subreg of the constant can be simplified into constant
13271         and use the simplified subreg of the constant instead of
13272         the original constant.
13273
13274         * fold-const.c (fold_convertible_p): Don't return true
13275         for conversion of VECTOR_TYPE to same sized integral type.
13276         (fold_convert_loc): Fix up formatting.  Fold conversion of
13277         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
13278         instead of NOP_EXPR.
13279
13280         PR tree-optimization/69214
13281         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
13282         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
13283         Formatting fix.
13284
13285         PR tree-optimization/69207
13286         * tree-vect-slp.c (vect_get_constant_vectors): For
13287         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
13288         fold_convertible_p to vector_type's element type, and always
13289         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
13290
13291 2016-01-11  Richard Biener  <rguenther@suse.de>
13292
13293         PR tree-optimization/69173
13294         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
13295         fixup the cycle if all stmts are in a pattern.
13296
13297 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
13298
13299         PR middle-end/68999
13300         * alias.c (base_alias_check): Move check for addresses with
13301         alignment ANDs before the call for compare_base_decls.
13302         (memrefs_conflict_p): Return -1 for different decls
13303         that went through alignment adjustments.
13304
13305 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13306
13307         PR rtl-optimization/68796
13308         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
13309         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
13310         and QImode comparisons against zero with CC_NZmode.
13311         * config/aarch64/iterators.md (short_mask): New mode_attr.
13312
13313 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
13314
13315         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
13316         (<avx512>_store<mode>_mask): Likewise.
13317
13318 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
13319             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13320
13321         PR rtl-optimization/68841
13322         * ifcvt.c (struct noce_if_info): Add orig_x field.
13323         (bbs_ok_for_cmove_arith): Add to_rename parameter.
13324         Don't record conflicts on to_rename if it's present.
13325         Allow memory destinations in sets.
13326         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
13327         blocks, passing orig_x to the checks.
13328         (noce_process_if_block): Set if_info->orig_x appropriately.
13329
13330 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13331
13332         PR tree-optimization/69069
13333         * tree-parloops.c (create_parallel_loop): Add missing phi args.
13334
13335 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
13336
13337         PR rtl-optimization/68920
13338         * config/i386/i386.c (ix86_option_override_internal): Restrict number
13339         of conditional moves for  RTL if-conversion to 1 for
13340         TARGET_ONE_IF_CONV_INSN.
13341         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
13342         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
13343         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
13344         parameter to restirct number of conditional moves for
13345         RTL if-conversion.
13346         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
13347         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
13348         conditionl moves.
13349
13350 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
13351
13352         PR bootstrap/69123
13353         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
13354         onepart vars.  Fix typo in comment.  Fix reversed condition in
13355         unshare test.
13356         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
13357
13358         PR bootstrap/69123
13359         * var-tracking.c (dump_onepart_variable_differences): New.
13360         (dataflow_set_different): If a detailed dump is requested,
13361         delay early returns and dump differences between onepart
13362         variables present before and after, and added variables.
13363
13364 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
13365
13366         PR target/69010
13367         * expr.c (expand_expr_real_1): For boolean vector constants
13368         with a scalar mode use const_scalar_mask_from_tree.
13369         (const_scalar_mask_from_tree): New.
13370         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
13371         assigned to a mask type to handle constants.
13372
13373 2016-01-11  Martin Jambor  <mjambor@suse.cz>
13374
13375         PR ipa/69044
13376         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
13377         useless parameters if we cannot change function signature.
13378
13379 2016-01-11  Martin Jambor  <mjambor@suse.cz>
13380
13381         PR ipa/66616
13382         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
13383         flag.
13384
13385 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13386
13387         PR tree-optimization/69109
13388         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
13389         latch with phi.
13390
13391 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13392
13393         PR tree-optimization/69108
13394         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
13395         res is not used in a phi.
13396
13397 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
13398
13399         PR 67425
13400         * common.opt (frandom-seed): Fix parameter name.
13401         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
13402
13403 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13404
13405         PR tree-optimization/69058
13406         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
13407         not supported.
13408
13409 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
13410
13411         * config/arc/arc.opt (mdiv-rem): Add period to the end.
13412         (mcode-density): Likewise.
13413
13414 2016-01-10  Tom de Vries  <tom@codesourcery.com>
13415
13416         PR tree-optimization/69062
13417         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
13418         (parallelize_loops): Don't paralelize loop that has phi with address
13419         arg.
13420
13421 2016-01-10  Tom de Vries  <tom@codesourcery.com>
13422
13423         PR tree-optimization/69039
13424         * tree-parloops.c (try_create_reduction_list): Only allow single exit
13425         phi for reduction.
13426
13427 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
13428
13429         PR middle-end/68743
13430         * match.pd: Require target has function_c99_misc before doing
13431         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
13432
13433 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
13434
13435         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
13436         use GMPINC.
13437         * configure: Regenerate.
13438
13439 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
13440
13441         PR middle-end/50865
13442         PR tree-optimization/69097
13443         * fold-const.h (expr_not_equal_to): New prototype.
13444         * fold-const.c: Include stringpool.h and tree-ssanames.h.
13445         (expr_not_equal_to): New function.
13446         * match.pd (X % -Y is the same as X % Y): Don't optimize
13447         unless X is known not to be equal to minimum or Y is known
13448         not to be equal to -1.
13449         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
13450         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
13451         (simplify_stmt_using_ranges): Adjust caller.
13452         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
13453         substitute_and_fold.
13454
13455 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
13456
13457         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
13458         w/o DECL_NAME.
13459
13460 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13461
13462         PR tree-optimization/69167
13463         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
13464         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
13465         ops[0] comparison.
13466         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
13467
13468 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
13469             Richard Biener  <rguenther@suse.de>
13470
13471         PR tree-optimization/68707
13472         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
13473         instances that can be handled via vect_load_lanes.
13474
13475 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
13476
13477         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
13478         if we can't determine address equivalence.
13479         * alias.c (compare_base_decl): Update for changed return value of
13480         symtab_node::equal_address_to.
13481
13482 2016-01-08  Jason Merrill  <jason@redhat.com>
13483
13484         PR c++/68983
13485         PR c++/67557
13486         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
13487         * expr.c (store_field): Not here.
13488         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
13489         call with TREE_ADDRESSABLE type.
13490         * tree-cfg.c (verify_gimple_call): Adjust.
13491
13492 2016-01-08  Olivier Hainque  <hainque@adacore.com>
13493
13494         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
13495         libc_internal.
13496
13497 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
13498
13499         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
13500         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
13501         (reduc_smin_v2sf): Rename to...
13502         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
13503         (reduc_splus_v2sf): Rename to...
13504         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
13505
13506 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13507
13508         PR tree-optimization/69162
13509         * gimplify.c (gimplify_va_arg_expr): Encode original type of
13510         valist argument in another argument.
13511         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
13512         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
13513         to determine the va_list type, build a MEM_REF instead of
13514         build_fold_indirect_ref.
13515
13516         PR tree-optimization/69172
13517         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
13518         gimple_build.
13519
13520 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13521
13522         PR tree-optimization/67781
13523         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
13524         and cmpnop in two steps: first the ones not accessed in original
13525         gimple expression in a endian independent way and then the ones not
13526         accessed in the final result in an endian-specific way.
13527
13528 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13529
13530         PR tree-optimization/69083
13531         * tree-vect-slp.c (vect_get_constant_vectors): For
13532         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
13533         element type.  If op is fold_convertible_p to vector_type's element
13534         type, use NOP_EXPR instead of VCE.
13535
13536 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
13537
13538         PR rtl-optimization/67778
13539         PR rtl-optimization/68634
13540         PR rtl-optimization/68909
13541         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
13542         block from the stack until done with it.  Remove a superfluous
13543         bitmap set.  Remove a superfluous bitmap test.
13544
13545 2016-01-07  Martin Sebor  <msebor@redhat.com>
13546
13547         PR c/68966
13548         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
13549         constraint on the type of arguments.
13550
13551 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
13552
13553         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
13554         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
13555         unaligned_access on the gcc_options set.
13556         * config/arm/arm.c (arm_option_override_internal): Use
13557         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
13558
13559 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
13560
13561         PR target/69140
13562         * config/i386/i386.c (ix86_frame_pointer_required): Enable
13563         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
13564
13565 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
13566
13567         Revert
13568         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
13569
13570         PR target/69140
13571         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
13572         depending on frame_pointer_needed before remaining integer and SSE
13573         registers are saved.
13574
13575 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13576
13577         PR 1078
13578         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
13579
13580 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
13581
13582         PR target/69171
13583         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
13584         Use the "xBm" constraint.
13585         (float<sseintvecmodelower><mode>2<mask_name><round_name):
13586         Likewise.
13587         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
13588         (sse_cvtsi2ssq<round_name>): Likewise.
13589         (sse_cvtss2si<round_name>): Likewise.
13590         (sse_cvtss2siq<round_name>): Likewise.
13591         (sse2_cvtsi2sdq<round_name>): Likewise.
13592         (sse2_cvtsd2si<round_name>): Likewise.
13593         (sse2_cvtsd2siq<round_name>): Likewise.
13594         * config/i386/subst.md (round_nimm_scalar_predicate): New
13595         predicate.
13596
13597 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
13598
13599         PR middle-end/67639
13600         * varasm.c (make_decl_rtl): Mark invalid register vars as
13601         DECL_EXTERNAL.
13602
13603         PR rtl-optimization/66206
13604         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
13605         All callers changed.
13606
13607 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
13608
13609         PR tree-optimization/69141
13610         * tree-ssa-pre.c: Include langhooks.h.
13611         (eliminate_dom_walker::before_dom_children): Use
13612         lang_hooks.decl_printable_name instead of
13613         cgraph_node::get ()->name ().
13614
13615         PR middle-end/68960
13616         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
13617         it and DECL_ALIGN too.
13618
13619 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
13620
13621         * config/mips/mips-ftypes.def: Sort to lexicographical order.
13622
13623 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
13624
13625         PR target/69140
13626         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
13627         depending on frame_pointer_needed before remaining integer and SSE
13628         registers are saved.
13629
13630 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13631
13632         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
13633         mode iterator with VSX_M2.
13634         (*p9_vecstore_<mode>): Likewise.
13635         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
13636         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
13637         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
13638         (define_split for VSX_LE128 stores): Likewise.
13639         (define_peephole2 for TImode LE swaps): Likewise.
13640         (define_split for VSX_LE128 post-reload stores): Likewise.
13641
13642 2016-01-06  Marek Polacek  <polacek@redhat.com>
13643
13644         PR sanitizer/69099
13645         * convert.c (convert_to_integer_1): Adjust call to
13646         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
13647         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
13648         EXPR instead of ARG.
13649         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
13650
13651 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13652
13653         PR 1078
13654         * doc/extend.texi (RL78 Variable Attributes): New section.
13655
13656 2016-01-05  Marek Polacek  <polacek@redhat.com>
13657
13658         PR c/69104
13659         * builtins.c (get_memmodel): Use expansion point location rather than
13660         the input location.  Call warning_at rather than warning.
13661         (expand_builtin_atomic_compare_exchange): Likewise.
13662         (expand_builtin_atomic_load): Likewise.
13663         (expand_builtin_atomic_store): Likewise.
13664         (expand_builtin_atomic_clear): Likewise.
13665
13666 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
13667
13668         PR target/68991
13669         * config/i386/i386.c (ix86_expand_vector_logical_operator):
13670         Replace nonimmediate_operand with vector_operand.
13671         * config/i386/predicates.md (vector_operand): New predicate.
13672         (general_vector_operand): Replace nonimmediate_operand with
13673         vector_operand.
13674         * config/i386/sse.md: Replace nonimmediate_operand with
13675         vector_operand and m constraint with Bm constraint on SSE
13676         patterns with 16-byte memory operand.
13677         * config/i386/subst.md (round_nimm_predicate): Replace
13678         nonimmediate_operand with vector_operand.
13679         (round_saeonly_nimm_predicate): Likewise.
13680         (round_saeonly_nimm_scalar_predicate): New.
13681
13682 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
13683
13684         PR target/68991
13685         * config/i386/constraints.md (Bm): New constraint.
13686         * config/i386/predicates.md (vector_memory_operand): New
13687         predicate.
13688         * config/i386/sse.md: Replace xm with xBm in plusminus and
13689         any_logic patterns.
13690
13691 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13692
13693         PR 1078
13694         * doc/extend.texi (V850 Function Attributes): New section.
13695         (V850 Variable Attributes): New section.
13696
13697 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13698
13699         PR 1078
13700         * doc/extend.texi (MicroBlaze Function Attributes): Document
13701         interrupt_handler and fast_interrupt attributes.
13702
13703 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
13704
13705         PR other/60465
13706         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
13707         for local symbolic operands.
13708         * config/ia64/predicates.md (local_symbolic_operand64): New
13709         predicate.
13710
13711 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13712
13713         PR rtl-optimization/68651
13714         * combine.c (combine_simplify_rtx): Canonicalize x + x into
13715         x << 1.
13716
13717 2016-01-05  Nathan Sidwell  <nathan@acm.org>
13718
13719         * alias.c (compare_base_decls): Use symtab_node::get.
13720
13721 2016-01-05  Nick Clifton  <nickc@redhat.com>
13722
13723         PR target/68770
13724         * ira-costs.c (copy_cost): Initialise the t_icode field of the
13725         secondary_reload_info structure.
13726
13727         PR target/66655
13728         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
13729         decls if weak support is available.
13730
13731 2016-01-04  Martin Sebor  <msebor@redhat.com>
13732
13733         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
13734
13735 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
13736
13737         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
13738         OPTION_MASK_P9_DFORM.
13739
13740         * config/rs6000/constraints.md (wo constraint): New constraint for
13741         ISA 3.0 (power9).
13742
13743         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
13744         for wo constraint.
13745         (rs6000_init_hard_regno_mode_ok): Likewise.
13746
13747         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
13748         wo constraint.
13749
13750         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
13751         expanders not to have constraints.  Add support for ISA 3.0 xxperm
13752         instruction.  Add support for fusing xxlor with xxperm.
13753         (altivec_vperm_<mode>_internal): Likewise.
13754         (altivec_vperm_v8hiv16qi): Likewise.
13755         (altivec_vperm_<mode>v16q): Likewise.
13756         (altivec_vperm_<mode>_uns): Likewise.
13757         (vperm_v8hiv4si): Likewise.
13758         (vperm_v16qiv8hi): Likewise.
13759
13760         * doc/md.texi (RS/6000 constraints): Document wo constraint.
13761
13762 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
13763
13764         Update copyright years.
13765
13766         * gcc.c (process_command): Update copyright notice dates.
13767         * gcov-dump.c (print_version): Ditto.
13768         * gcov.c (print_version): Ditto.
13769         * gcov-tool.c (print_version): Ditto.
13770         * gengtype.c (create_file): Ditto.
13771         * doc/cpp.texi: Bump @copying's copyright year.
13772         * doc/cppinternals.texi: Ditto.
13773         * doc/gcc.texi: Ditto.
13774         * doc/gccint.texi: Ditto.
13775         * doc/gcov.texi: Ditto.
13776         * doc/install.texi: Ditto.
13777         * doc/invoke.texi: Ditto.
13778
13779 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13780
13781         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
13782         modes larger than TImode as TImode if NEON is not enabled.
13783
13784 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13785
13786         PR target/69100
13787         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
13788         mode for %f0-%f31 only if TARGET_FPU.
13789
13790 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13791
13792         PR target/69072
13793         * config/sparc/sparc.c (scan_record_type): Take into account subfields
13794         to compute the PACKED_P predicate.
13795         (function_arg_record_value): Minor tweaks.
13796
13797 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13798
13799         * doc/install.texi (--with-multilib-list): Describe the meaning of the
13800         option for arm*-*-* targets.
13801
13802 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
13803
13804         * doc/extend.texi (Common Function Attributes): Move docs for
13805         MSP430-specific attributes to....
13806         (MSP430 Function Attributes): ...here.  Delete the redundant
13807         entries and copy-edit the remaining text.
13808         (MSP430 Variable Attributes): Use uniform format for index
13809         entries and add a cross-reference to the corresponding function
13810         attribute docs.
13811
13812 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
13813
13814         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
13815         -finite-math typo.
13816         (x86 Options): Likewise.
13817
13818 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
13819
13820         PR 1078
13821
13822         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
13823         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
13824         to corresponding attribute.
13825
13826 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
13827
13828         * doc/extend.texi (Common Function Attributes) <noplt>: Move
13829         to correct alphabetization of table.  Copy-edit and correct
13830         markup.
13831         <stack_protect>: Likewise.
13832         <target_clones>: Likewise.
13833         <simd>: Likewise.
13834         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
13835         Correct punctuation.
13836         (Code Gen Options) <-fno-plt>: Copy-edit.
13837
13838 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13839
13840         PR target/68917
13841         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
13842         SI values.  Explicitly convert SI to DI and vice-versa.
13843
13844 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
13845
13846         PR tree-optimization/69070
13847         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
13848         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
13849
13850         PR sanitizer/69055
13851         * ubsan.c (ubsan_instrument_float_cast): Call
13852         initialize_sanitizer_builtins.
13853
13854         PR target/69015
13855         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
13856 \f
13857 Copyright (C) 2016 Free Software Foundation, Inc.
13858
13859 Copying and distribution of this file, with or without modification,
13860 are permitted in any medium without royalty provided the copyright
13861 notice and this notice are preserved.